diff --git a/tools/widl/client.c b/tools/widl/client.c
index 05ce8e732aa..704be91cb78 100644
--- a/tools/widl/client.c
+++ b/tools/widl/client.c
@@ -437,7 +437,7 @@ static void write_stubdescriptor(type_t *iface, int expr_eval_routines)
 static void write_clientinterfacedecl(type_t *iface)
 {
     unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION);
-    const uuid_t *uuid = get_attrp(iface->attrs, ATTR_UUID);
+    const struct uuid *uuid = get_attrp(iface->attrs, ATTR_UUID);
     const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT);
 
     if (endpoints) write_endpoints( client, iface->name, endpoints );
diff --git a/tools/widl/header.c b/tools/widl/header.c
index f8dcab91e6a..ce2f9064c38 100644
--- a/tools/widl/header.c
+++ b/tools/widl/header.c
@@ -141,7 +141,7 @@ static char *format_parameterized_type_args(const type_t *type, const char *pref
     return buf;
 }
 
-static void write_guid(FILE *f, const char *guid_prefix, const char *name, const uuid_t *uuid)
+static void write_guid(FILE *f, const char *guid_prefix, const char *name, const struct uuid *uuid)
 {
   if (!uuid) return;
   fprintf(f, "DEFINE_GUID(%s_%s, 0x%08x, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,"
@@ -151,7 +151,7 @@ static void write_guid(FILE *f, const char *guid_prefix, const char *name, const
         uuid->Data4[6], uuid->Data4[7]);
 }
 
-static void write_uuid_decl(FILE *f, type_t *type, const uuid_t *uuid)
+static void write_uuid_decl(FILE *f, type_t *type, const struct uuid *uuid)
 {
   fprintf(f, "#ifdef __CRT_UUID_DECL\n");
   fprintf(f, "__CRT_UUID_DECL(%s, 0x%08x, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,"
@@ -162,7 +162,7 @@ static void write_uuid_decl(FILE *f, type_t *type, const uuid_t *uuid)
   fprintf(f, "#endif\n");
 }
 
-static const char *uuid_string(const uuid_t *uuid)
+static const char *uuid_string(const struct uuid *uuid)
 {
   static char buf[37];
 
@@ -937,7 +937,7 @@ static void write_declaration(FILE *header, const var_t *v)
 
 static void write_library(FILE *header, const typelib_t *typelib)
 {
-  const uuid_t *uuid = get_attrp(typelib->attrs, ATTR_UUID);
+  const struct uuid *uuid = get_attrp(typelib->attrs, ATTR_UUID);
   fprintf(header, "\n");
   write_guid(header, "LIBID", typelib->name, uuid);
   fprintf(header, "\n");
@@ -1680,7 +1680,7 @@ static void write_widl_using_method_macros(FILE *header, const type_t *iface, co
 
 static void write_widl_using_macros(FILE *header, type_t *iface)
 {
-    const uuid_t *uuid = get_attrp(iface->attrs, ATTR_UUID);
+    const struct uuid *uuid = get_attrp(iface->attrs, ATTR_UUID);
     const char *name = iface->short_name ? iface->short_name : iface->name;
     char *macro;
 
@@ -1702,7 +1702,7 @@ static void write_widl_using_macros(FILE *header, type_t *iface)
 static void write_com_interface_end(FILE *header, type_t *iface)
 {
   int dispinterface = is_attr(iface->attrs, ATTR_DISPINTERFACE);
-  const uuid_t *uuid = get_attrp(iface->attrs, ATTR_UUID);
+  const struct uuid *uuid = get_attrp(iface->attrs, ATTR_UUID);
   expr_t *contract = get_attrp(iface->attrs, ATTR_CONTRACT);
   type_t *type;
 
@@ -1836,7 +1836,7 @@ static void write_rpc_interface_end(FILE *header, const type_t *iface)
 
 static void write_coclass(FILE *header, type_t *cocl)
 {
-  const uuid_t *uuid = get_attrp(cocl->attrs, ATTR_UUID);
+  const struct uuid *uuid = get_attrp(cocl->attrs, ATTR_UUID);
 
   fprintf(header, "/*****************************************************************************\n");
   fprintf(header, " * %s coclass\n", cocl->name);
diff --git a/tools/widl/parser.l b/tools/widl/parser.l
index 8fb5c91e6dc..823d6f0acca 100644
--- a/tools/widl/parser.l
+++ b/tools/widl/parser.l
@@ -96,9 +96,9 @@ static unsigned int xstrtoul(const char *nptr, char **endptr, int base)
     return val;
 }
 
-uuid_t *parse_uuid(const char *u)
+struct uuid *parse_uuid(const char *u)
 {
-  uuid_t* uuid = xmalloc(sizeof(*uuid));
+  struct uuid* uuid = xmalloc(sizeof(*uuid));
   char b[3];
   /* it would be nice to use UuidFromStringA */
   uuid->Data1 = strtoul(u, NULL, 16);
diff --git a/tools/widl/parser.y b/tools/widl/parser.y
index d7fc009c5c2..82cf946e8fb 100644
--- a/tools/widl/parser.y
+++ b/tools/widl/parser.y
@@ -50,7 +50,7 @@ static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t
         enum storage_class stgclass, enum type_qualifier qual, enum function_specifier func_specifier);
 static attr_t *make_attr(enum attr_type type);
 static attr_t *make_attrv(enum attr_type type, unsigned int val);
-static attr_t *make_custom_attr(uuid_t *id, expr_t *pval);
+static attr_t *make_custom_attr(struct uuid *id, expr_t *pval);
 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_t *decl, int top);
 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
@@ -141,7 +141,7 @@ static typelib_t *current_typelib;
 	typeref_t *typeref;
 	typeref_list_t *typeref_list;
 	char *str;
-	uuid_t *uuid;
+	struct uuid *uuid;
 	unsigned int num;
 	double dbl;
 	typelib_t *typelib;
@@ -1523,7 +1523,7 @@ attr_t *make_attrp(enum attr_type type, void *val)
   return a;
 }
 
-static attr_t *make_custom_attr(uuid_t *id, expr_t *pval)
+static attr_t *make_custom_attr(struct uuid *id, expr_t *pval)
 {
   attr_t *a = xmalloc(sizeof(attr_t));
   attr_custdata_t *cstdata = xmalloc(sizeof(attr_custdata_t));
diff --git a/tools/widl/proxy.c b/tools/widl/proxy.c
index 53ae9433463..a80aa5d77fe 100644
--- a/tools/widl/proxy.c
+++ b/tools/widl/proxy.c
@@ -847,8 +847,8 @@ static int cmp_iid( const void *ptr1, const void *ptr2 )
 {
     const type_t * const *iface1 = ptr1;
     const type_t * const *iface2 = ptr2;
-    const uuid_t *uuid1 = get_attrp( (*iface1)->attrs, ATTR_UUID );
-    const uuid_t *uuid2 = get_attrp( (*iface2)->attrs, ATTR_UUID );
+    const struct uuid *uuid1 = get_attrp( (*iface1)->attrs, ATTR_UUID );
+    const struct uuid *uuid2 = get_attrp( (*iface2)->attrs, ATTR_UUID );
     return memcmp( uuid1, uuid2, sizeof(*uuid1) );
 }
 
diff --git a/tools/widl/register.c b/tools/widl/register.c
index 24381353952..6c00dfaf5a2 100644
--- a/tools/widl/register.c
+++ b/tools/widl/register.c
@@ -34,7 +34,7 @@
 
 static int indent;
 
-static const char *format_uuid( const uuid_t *uuid )
+static const char *format_uuid( const struct uuid *uuid )
 {
     static char buffer[40];
     sprintf( buffer, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
@@ -76,8 +76,8 @@ static const type_t *find_ps_factory( const statement_list_t *stmts )
 
 static void write_interface( const type_t *iface, const type_t *ps_factory )
 {
-    const uuid_t *uuid = get_attrp( iface->attrs, ATTR_UUID );
-    const uuid_t *ps_uuid = get_attrp( ps_factory->attrs, ATTR_UUID );
+    const struct uuid *uuid = get_attrp( iface->attrs, ATTR_UUID );
+    const struct uuid *ps_uuid = get_attrp( ps_factory->attrs, ATTR_UUID );
 
     if (!uuid) return;
     if (!is_object( iface )) return;
@@ -109,8 +109,8 @@ static void write_interfaces( const statement_list_t *stmts, const type_t *ps_fa
 
 static void write_typelib_interface( const type_t *iface, const typelib_t *typelib )
 {
-    const uuid_t *typelib_uuid = get_attrp( typelib->attrs, ATTR_UUID );
-    const uuid_t *uuid = get_attrp( iface->attrs, ATTR_UUID );
+    const struct uuid *typelib_uuid = get_attrp( typelib->attrs, ATTR_UUID );
+    const struct uuid *uuid = get_attrp( iface->attrs, ATTR_UUID );
     unsigned int version = get_attrv( typelib->attrs, ATTR_VERSION );
 
     if (!uuid) return;
@@ -139,7 +139,7 @@ static void write_typelib_interfaces( const typelib_t *typelib )
 
 static int write_coclass( const type_t *class, const typelib_t *typelib )
 {
-    const uuid_t *uuid = get_attrp( class->attrs, ATTR_UUID );
+    const struct uuid *uuid = get_attrp( class->attrs, ATTR_UUID );
     const char *descr = get_attrp( class->attrs, ATTR_HELPSTRING );
     const char *progid = get_attrp( class->attrs, ATTR_PROGID );
     const char *vi_progid = get_attrp( class->attrs, ATTR_VIPROGID );
@@ -157,7 +157,7 @@ static int write_coclass( const type_t *class, const typelib_t *typelib )
     if (progid) put_str( indent, "ProgId = s '%s'\n", progid );
     if (typelib)
     {
-        const uuid_t *typelib_uuid = get_attrp( typelib->attrs, ATTR_UUID );
+        const struct uuid *typelib_uuid = get_attrp( typelib->attrs, ATTR_UUID );
         put_str( indent, "TypeLib = s '%s'\n", format_uuid( typelib_uuid ));
         if (!version) version = get_attrv( typelib->attrs, ATTR_VERSION );
     }
@@ -200,7 +200,7 @@ static void write_runtimeclasses_registry( const statement_list_t *stmts )
 
 static int write_progid( const type_t *class )
 {
-    const uuid_t *uuid = get_attrp( class->attrs, ATTR_UUID );
+    const struct uuid *uuid = get_attrp( class->attrs, ATTR_UUID );
     const char *descr = get_attrp( class->attrs, ATTR_HELPSTRING );
     const char *progid = get_attrp( class->attrs, ATTR_PROGID );
     const char *vi_progid = get_attrp( class->attrs, ATTR_VIPROGID );
@@ -324,7 +324,7 @@ void write_typelib_regscript( const statement_list_t *stmts )
 
 void output_typelib_regscript( const typelib_t *typelib )
 {
-    const uuid_t *typelib_uuid = get_attrp( typelib->attrs, ATTR_UUID );
+    const struct uuid *typelib_uuid = get_attrp( typelib->attrs, ATTR_UUID );
     const char *descr = get_attrp( typelib->attrs, ATTR_HELPSTRING );
     const expr_t *lcid_expr = get_attrp( typelib->attrs, ATTR_LIBLCID );
     unsigned int version = get_attrv( typelib->attrs, ATTR_VERSION );
diff --git a/tools/widl/server.c b/tools/widl/server.c
index e3ff5afc11c..1d8ab41185d 100644
--- a/tools/widl/server.c
+++ b/tools/widl/server.c
@@ -399,7 +399,7 @@ static void write_stubdescriptor(type_t *iface, int expr_eval_routines)
 static void write_serverinterfacedecl(type_t *iface)
 {
     unsigned int ver = get_attrv(iface->attrs, ATTR_VERSION);
-    uuid_t *uuid = get_attrp(iface->attrs, ATTR_UUID);
+    struct uuid *uuid = get_attrp(iface->attrs, ATTR_UUID);
     const str_list_t *endpoints = get_attrp(iface->attrs, ATTR_ENDPOINT);
 
     if (endpoints) write_endpoints( server, iface->name, endpoints );
diff --git a/tools/widl/typegen.c b/tools/widl/typegen.c
index a195c5b3730..b2d9ab5d100 100644
--- a/tools/widl/typegen.c
+++ b/tools/widl/typegen.c
@@ -3506,7 +3506,7 @@ static unsigned int write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *t
     else
     {
         const type_t *base = is_ptr(type) ? type_pointer_get_ref_type(type) : type;
-        const uuid_t *uuid = get_attrp(base->attrs, ATTR_UUID);
+        const struct uuid *uuid = get_attrp(base->attrs, ATTR_UUID);
 
         if (! uuid)
             error("%s: interface %s missing UUID\n", __FUNCTION__, base->name);
diff --git a/tools/widl/typelib.c b/tools/widl/typelib.c
index 5c679d5513e..202702c54dd 100644
--- a/tools/widl/typelib.c
+++ b/tools/widl/typelib.c
@@ -239,7 +239,7 @@ unsigned short get_type_vt(type_t *t)
   return 0;
 }
 
-static void msft_read_guid(void *data, MSFT_SegDir *segdir, int offset, uuid_t *guid)
+static void msft_read_guid(void *data, MSFT_SegDir *segdir, int offset, struct uuid *guid)
 {
     memcpy( guid, (char *)data + segdir->pGuidTab.offset + offset, sizeof(*guid) );
 }
diff --git a/tools/widl/typelib_struct.h b/tools/widl/typelib_struct.h
index 745f37b76ee..ec1e317bf23 100644
--- a/tools/widl/typelib_struct.h
+++ b/tools/widl/typelib_struct.h
@@ -242,7 +242,7 @@ typedef struct {
 
 /* this is how a guid is stored */
 typedef struct {
-    uuid_t guid;
+    struct uuid guid;
     int   hreftype;     /* -2 for the typelib guid, typeinfo offset
 			   for typeinfo guid, low two bits are 01 if
 			   this is an imported typeinfo, low two bits
@@ -357,10 +357,10 @@ typedef struct {
 	unsigned short syskind;		/* == 1 for win32, 0 for win16 */
 	unsigned short lcid;		/* == 0x409, 0x809 etc */
 	unsigned int   res12;		/* == 0 */
- 	unsigned short libflags;	/* LIBFLAG_* */
+	unsigned short libflags;	/* LIBFLAG_* */
 	unsigned short maj_vers;
 	unsigned short min_vers;
-	uuid_t uuid;
+	struct uuid uuid;
 } SLTG_LibBlk;
 
 #define SLTG_LIBBLK_MAGIC 0x51cc
@@ -379,7 +379,7 @@ typedef struct {
     unsigned short res20;      /* 0xffff */
     unsigned int   helpcontext;
     unsigned short res26;      /* 0xffff */
-    uuid_t uuid;
+    struct uuid uuid;
 } SLTG_OtherTypeInfo;
 
 /* Next we get WORD 0x0003 followed by a DWORD which if we add to
diff --git a/tools/widl/typetree.c b/tools/widl/typetree.c
index 33735d26f58..065bed28b04 100644
--- a/tools/widl/typetree.c
+++ b/tools/widl/typetree.c
@@ -160,7 +160,7 @@ static size_t append_var_list_signature(char **buf, size_t *len, size_t pos, var
 
 static size_t append_type_signature(char **buf, size_t *len, size_t pos, type_t *type)
 {
-    const uuid_t *uuid;
+    const struct uuid *uuid;
     size_t n = 0;
 
     if (!type) return 0;
@@ -329,7 +329,7 @@ static char *format_parameterized_type_signature(type_t *type, typeref_list_t *p
     size_t len = 0, pos = 0;
     char *buf = NULL;
     typeref_t *ref;
-    const uuid_t *uuid;
+    const struct uuid *uuid;
 
      if (!(uuid = get_attrp(type->attrs, ATTR_UUID)))
         error_loc_info(&type->loc_info, "cannot compute type signature, no uuid found for type %s.\n", type->name);
@@ -1237,7 +1237,7 @@ static void compute_interface_signature_uuid(type_t *iface)
     static const int version = 5;
     struct sha1_context ctx;
     unsigned char hash[20];
-    uuid_t *uuid;
+    struct uuid *uuid;
 
     if (!(uuid = get_attrp(iface->attrs, ATTR_UUID)))
     {
@@ -1266,7 +1266,7 @@ static void compute_interface_signature_uuid(type_t *iface)
     uuid->Data1 = ((unsigned int)hash[0] << 24) | ((unsigned int)hash[1] << 16) | ((unsigned int)hash[2] << 8) | hash[3];
     uuid->Data2 = ((unsigned short)hash[4] << 8) | hash[5];
     uuid->Data3 = ((unsigned short)hash[6] << 8) | hash[7];
-    memcpy(&uuid->Data4, hash + 8, sizeof(*uuid) - offsetof(uuid_t, Data4));
+    memcpy(&uuid->Data4, hash + 8, sizeof(*uuid) - offsetof(struct uuid, Data4));
 }
 
 type_t *type_parameterized_type_specialize_define(type_t *type)
diff --git a/tools/widl/utils.h b/tools/widl/utils.h
index eeb1d068c96..f042f0e064c 100644
--- a/tools/widl/utils.h
+++ b/tools/widl/utils.h
@@ -35,7 +35,7 @@ size_t strappend(char **buf, size_t *len, size_t pos, const char* fmt, ...) __at
 
 size_t widl_getline(char **linep, size_t *lenp, FILE *fp);
 
-uuid_t *parse_uuid(const char *u);
+struct uuid *parse_uuid(const char *u);
 int is_valid_uuid(const char *s);
 
 /* buffer management */
diff --git a/tools/widl/widl.c b/tools/widl/widl.c
index 980e57b1782..7686594b7d3 100644
--- a/tools/widl/widl.c
+++ b/tools/widl/widl.c
@@ -382,7 +382,7 @@ void write_dlldata(const statement_list_t *stmts)
   write_dlldata_list(filenames, define_proxy_delegation);
 }
 
-static void write_id_guid(FILE *f, const char *type, const char *guid_prefix, const char *name, const uuid_t *uuid)
+static void write_id_guid(FILE *f, const char *type, const char *guid_prefix, const char *name, const struct uuid *uuid)
 {
   if (!uuid) return;
   fprintf(f, "MIDL_DEFINE_GUID(%s, %s_%s, 0x%08x, 0x%04x, 0x%04x, 0x%02x,0x%02x, 0x%02x,"
@@ -402,7 +402,7 @@ static void write_id_data_stmts(const statement_list_t *stmts)
       const type_t *type = stmt->u.type;
       if (type_get_type(type) == TYPE_INTERFACE)
       {
-        const uuid_t *uuid;
+        const struct uuid *uuid;
         if (!is_object(type) && !is_attr(type->attrs, ATTR_DISPINTERFACE))
           continue;
         uuid = get_attrp(type->attrs, ATTR_UUID);
@@ -416,13 +416,13 @@ static void write_id_data_stmts(const statement_list_t *stmts)
       }
       else if (type_get_type(type) == TYPE_COCLASS)
       {
-        const uuid_t *uuid = get_attrp(type->attrs, ATTR_UUID);
+        const struct uuid *uuid = get_attrp(type->attrs, ATTR_UUID);
         write_id_guid(idfile, "CLSID", "CLSID", type->name, uuid);
       }
     }
     else if (stmt->type == STMT_LIBRARY)
     {
-      const uuid_t *uuid = get_attrp(stmt->u.lib->attrs, ATTR_UUID);
+      const struct uuid *uuid = get_attrp(stmt->u.lib->attrs, ATTR_UUID);
       write_id_guid(idfile, "IID", "LIBID", stmt->u.lib->name, uuid);
       write_id_data_stmts(stmt->u.lib->stmts);
     }
diff --git a/tools/widl/widltypes.h b/tools/widl/widltypes.h
index 622c4708a87..8df927fea4c 100644
--- a/tools/widl/widltypes.h
+++ b/tools/widl/widltypes.h
@@ -26,13 +26,13 @@
 #include "ndrtypes.h"
 #include "wine/list.h"
 
-typedef struct
+struct uuid
 {
     unsigned int   Data1;
     unsigned short Data2;
     unsigned short Data3;
     unsigned char  Data4[8];
-} uuid_t;
+};
 
 #define TRUE 1
 #define FALSE 0
@@ -359,7 +359,7 @@ struct _expr_t {
 };
 
 struct _attr_custdata_t {
-  uuid_t id;
+  struct uuid id;
   expr_t *pval;
 };
 
@@ -564,7 +564,7 @@ struct _typelib_entry_t {
 
 struct _importinfo_t {
     int offset;
-    uuid_t guid;
+    struct uuid guid;
     int flags;
     int id;
 
@@ -578,7 +578,7 @@ struct _importlib_t {
     char *name;
 
     int version;
-    uuid_t guid;
+    struct uuid guid;
 
     importinfo_t *importinfos;
     int ntypeinfos;
diff --git a/tools/widl/write_msft.c b/tools/widl/write_msft.c
index 7c00a7d59af..610f781ba76 100644
--- a/tools/widl/write_msft.c
+++ b/tools/widl/write_msft.c
@@ -186,7 +186,7 @@ static void ctl2_init_segdir(
  *
  *  The hash key for the GUID.
  */
-static int ctl2_hash_guid(const uuid_t *guid)
+static int ctl2_hash_guid(const struct uuid *guid)
 {
     int hash;
     int i;
@@ -211,7 +211,7 @@ static int ctl2_hash_guid(const uuid_t *guid)
 static int ctl2_find_guid(
 	msft_typelib_t *typelib,   /* [I] The typelib to operate against. */
 	int hash_key,              /* [I] The hash key for the guid. */
-	const uuid_t *guid)        /* [I] The guid to find. */
+	const struct uuid *guid)   /* [I] The guid to find. */
 {
     int offset;
     MSFT_GuidEntry *guidentry;
@@ -1255,7 +1255,7 @@ static void write_default_value(msft_typelib_t *typelib, type_t *type, expr_t *e
     write_int_value(typelib, out, vt, expr->cval);
 }
 
-static void set_custdata(msft_typelib_t *typelib, const uuid_t *guid,
+static void set_custdata(msft_typelib_t *typelib, const struct uuid *guid,
                          int vt, const void *value, int *offset)
 {
     int guidoffset;
@@ -1992,7 +1992,7 @@ static msft_typeinfo_t *create_msft_typeinfo(msft_typelib_t *typelib, enum type_
             break;
 
         case ATTR_UUID:
-            guidentry.guid = *(uuid_t *)attr->u.pval;
+            guidentry.guid = *(struct uuid *)attr->u.pval;
             guidentry.hreftype = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
             guidentry.next_hash = -1;
             typeinfo->posguid = ctl2_alloc_guid(typelib, &guidentry);
@@ -2025,8 +2025,8 @@ static void add_dispatch(msft_typelib_t *typelib)
     int guid_offset, impfile_offset, hash_key;
     MSFT_GuidEntry guidentry;
     MSFT_ImpInfo impinfo;
-    static const uuid_t stdole =        {0x00020430,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
-    static const uuid_t iid_idispatch = {0x00020400,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
+    static const struct uuid stdole =        {0x00020430,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
+    static const struct uuid iid_idispatch = {0x00020400,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
 
     if(typelib->typelib_header.dispatchpos != -1) return;
 
@@ -2509,7 +2509,7 @@ static void set_guid(msft_typelib_t *typelib)
 {
     MSFT_GuidEntry guidentry = { {0}, -2, -1 };
     int offset;
-    uuid_t *ptr = get_attrp( typelib->typelib->attrs, ATTR_UUID );
+    struct uuid *ptr = get_attrp( typelib->typelib->attrs, ATTR_UUID );
 
     if (ptr) guidentry.guid = *ptr;
 
@@ -2753,9 +2753,9 @@ int create_msft_typelib(typelib_t *typelib)
     time_t cur_time;
     char *time_override;
     unsigned int version = 7 << 24 | 555; /* 7.00.0555 */
-    static const uuid_t midl_time_guid    = {0xde77ba63,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}};
-    static const uuid_t midl_version_guid = {0xde77ba64,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}};
-    static const uuid_t midl_info_guid = {0xde77ba65,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}};
+    static const struct uuid midl_time_guid    = {0xde77ba63,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}};
+    static const struct uuid midl_version_guid = {0xde77ba64,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}};
+    static const struct uuid midl_info_guid    = {0xde77ba65,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}};
     char info_string[128];
 
     msft = xmalloc(sizeof(*msft));