diff --git a/include/wine/server_protocol.h b/include/wine/server_protocol.h
index 39a4bee2c16..9f32b304d69 100644
--- a/include/wine/server_protocol.h
+++ b/include/wine/server_protocol.h
@@ -670,8 +670,8 @@ struct get_dll_info_request
 struct get_dll_info_reply
 {
     struct reply_header __header;
-    size_t       size;
     void*        entry_point;
+    data_size_t  size;
     data_size_t  filename_len;
     /* VARARG(filename,unicode_str); */
 };
@@ -709,10 +709,10 @@ struct load_dll_request
     struct request_header __header;
     obj_handle_t handle;
     void*        base;
-    size_t       size;
+    void*        name;
+    data_size_t  size;
     int          dbg_offset;
     int          dbg_size;
-    void*        name;
     /* VARARG(filename,unicode_str); */
 };
 struct load_dll_reply
@@ -5046,6 +5046,6 @@ union generic_reply
     struct set_window_layered_info_reply set_window_layered_info_reply;
 };
 
-#define SERVER_PROTOCOL_VERSION 348
+#define SERVER_PROTOCOL_VERSION 349
 
 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */
diff --git a/server/process.h b/server/process.h
index 52b3d26d7f9..c2bb8c338e4 100644
--- a/server/process.h
+++ b/server/process.h
@@ -38,8 +38,8 @@ struct process_dll
     struct list          entry;           /* entry in per-process dll list */
     struct file         *file;            /* dll file */
     void                *base;            /* dll base address (in process addr space) */
-    size_t               size;            /* dll size */
     void                *name;            /* ptr to ptr to name (in process addr space) */
+    data_size_t          size;            /* dll size */
     int                  dbg_offset;      /* debug info offset */
     int                  dbg_size;        /* debug info size */
     data_size_t          namelen;         /* length of dll file name */
diff --git a/server/protocol.def b/server/protocol.def
index 804a5800823..eba1b82bc6b 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -618,8 +618,8 @@ typedef union
     obj_handle_t handle;       /* process handle */
     void*        base_address; /* base address of module */
 @REPLY
-    size_t       size;          /* module size */
     void*        entry_point;
+    data_size_t  size;            /* module size */
     data_size_t  filename_len;    /* buffer len in bytes required to store filename */
     VARARG(filename,unicode_str); /* file name of module */
 @END
@@ -645,10 +645,10 @@ typedef union
 @REQ(load_dll)
     obj_handle_t handle;       /* file handle */
     void*        base;         /* base address */
-    size_t       size;         /* dll size */
+    void*        name;         /* ptr to ptr to name (in process addr space) */
+    data_size_t  size;         /* dll size */
     int          dbg_offset;   /* debug info offset */
     int          dbg_size;     /* debug info size */
-    void*        name;         /* ptr to ptr to name (in process addr space) */
     VARARG(filename,unicode_str); /* file name of dll */
 @END
 
diff --git a/server/trace.c b/server/trace.c
index d8c2845d9a4..9f1585516d0 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -1014,8 +1014,8 @@ static void dump_get_dll_info_request( const struct get_dll_info_request *req )
 
 static void dump_get_dll_info_reply( const struct get_dll_info_reply *req )
 {
-    fprintf( stderr, " size=%lu,", (unsigned long)req->size );
     fprintf( stderr, " entry_point=%p,", req->entry_point );
+    fprintf( stderr, " size=%u,", req->size );
     fprintf( stderr, " filename_len=%u,", req->filename_len );
     fprintf( stderr, " filename=" );
     dump_varargs_unicode_str( cur_size );
@@ -1045,10 +1045,10 @@ static void dump_load_dll_request( const struct load_dll_request *req )
 {
     fprintf( stderr, " handle=%04x,", req->handle );
     fprintf( stderr, " base=%p,", req->base );
-    fprintf( stderr, " size=%lu,", (unsigned long)req->size );
+    fprintf( stderr, " name=%p,", req->name );
+    fprintf( stderr, " size=%u,", req->size );
     fprintf( stderr, " dbg_offset=%d,", req->dbg_offset );
     fprintf( stderr, " dbg_size=%d,", req->dbg_size );
-    fprintf( stderr, " name=%p,", req->name );
     fprintf( stderr, " filename=" );
     dump_varargs_unicode_str( cur_size );
 }
diff --git a/tools/make_requests b/tools/make_requests
index ef4e8b56ce7..76be7b2a33e 100755
--- a/tools/make_requests
+++ b/tools/make_requests
@@ -31,7 +31,6 @@ my %formats =
     "unsigned int"  => "%08x",
     "unsigned long" => "%lx",
     "void*"         => "%p",
-    "size_t"        => "%lu (unsigned long)",
     "data_size_t"   => "%u",
     "obj_handle_t"  => "%04x",
     "atom_t"        => "%04x",