diff --git a/dlls/ieframe/Makefile.in b/dlls/ieframe/Makefile.in
index 4b1005da8cf..61037143f2e 100644
--- a/dlls/ieframe/Makefile.in
+++ b/dlls/ieframe/Makefile.in
@@ -2,6 +2,8 @@ MODULE    = ieframe.dll
 IMPORTLIB = ieframe
 IMPORTS   = uuid urlmon shell32 comctl32 shlwapi oleaut32 ole32 user32 gdi32 advapi32
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	classinfo.c \
 	client.c \
diff --git a/dlls/ieframe/dochost.c b/dlls/ieframe/dochost.c
index 389c0afeace..46d5cc5dd15 100644
--- a/dlls/ieframe/dochost.c
+++ b/dlls/ieframe/dochost.c
@@ -427,7 +427,7 @@ static void update_travellog(DocHost *This)
 
     static const WCHAR about_schemeW[] = {'a','b','o','u','t',':'};
 
-    if(This->url && !strncmpiW(This->url, about_schemeW, ARRAY_SIZE(about_schemeW))) {
+    if(This->url && !wcsnicmp(This->url, about_schemeW, ARRAY_SIZE(about_schemeW))) {
         TRACE("Skipping about URL\n");
         return;
     }
diff --git a/dlls/ieframe/ieframe.h b/dlls/ieframe/ieframe.h
index 8adf47e053b..2b4861d79b8 100644
--- a/dlls/ieframe/ieframe.h
+++ b/dlls/ieframe/ieframe.h
@@ -37,7 +37,6 @@
 #include "shdeprecated.h"
 #include "docobjectservice.h"
 
-#include "wine/unicode.h"
 #include "wine/heap.h"
 #include "wine/list.h"
 
@@ -342,7 +341,7 @@ static inline LPWSTR heap_strdupW(LPCWSTR str)
     if(str) {
         DWORD size;
 
-        size = (strlenW(str)+1)*sizeof(WCHAR);
+        size = (lstrlenW(str)+1)*sizeof(WCHAR);
         ret = heap_alloc(size);
         if(ret)
             memcpy(ret, str, size);
@@ -353,7 +352,7 @@ static inline LPWSTR heap_strdupW(LPCWSTR str)
 
 static inline LPWSTR co_strdupW(LPCWSTR str)
 {
-    WCHAR *ret = CoTaskMemAlloc((strlenW(str) + 1)*sizeof(WCHAR));
+    WCHAR *ret = CoTaskMemAlloc((lstrlenW(str) + 1)*sizeof(WCHAR));
     if (ret)
         lstrcpyW(ret, str);
     return ret;
diff --git a/dlls/ieframe/iexplore.c b/dlls/ieframe/iexplore.c
index 4f3df13638f..00883c80e77 100644
--- a/dlls/ieframe/iexplore.c
+++ b/dlls/ieframe/iexplore.c
@@ -957,7 +957,7 @@ static BOOL create_ie_window(BOOL nohome, const WCHAR *cmdline)
         VARIANT var_url;
         int cmdlen;
 
-        cmdlen = strlenW(cmdline);
+        cmdlen = lstrlenW(cmdline);
         if(cmdlen > 2 && cmdline[0] == '"' && cmdline[cmdlen-1] == '"') {
             cmdline++;
             cmdlen -= 2;
@@ -988,18 +988,18 @@ static HDDEDATA open_dde_url(WCHAR *dde_url)
     url = dde_url;
     if(*url == '"') {
         url++;
-        url_end = strchrW(url, '"');
+        url_end = wcschr(url, '"');
         if(!url_end) {
             FIXME("missing string terminator\n");
             return 0;
         }
         *url_end = 0;
     }else {
-        url_end = strchrW(url, ',');
+        url_end = wcschr(url, ',');
         if(url_end)
             *url_end = 0;
         else
-            url_end = url + strlenW(url);
+            url_end = url + lstrlenW(url);
     }
 
     LIST_FOR_EACH_ENTRY(iter, &ie_list, InternetExplorer, entry) {
@@ -1149,11 +1149,11 @@ DWORD WINAPI IEWinMain(const WCHAR *cmdline, int nShowWindow)
 
         while (cmdline[length] && cmdline[length] != ' ' && cmdline[length] != '\t') length++;
 
-        if (!strncmpiW(cmdline, embeddingW, length))
+        if (!wcsnicmp(cmdline, embeddingW, length))
             embedding = TRUE;
-        else if (!strncmpiW(cmdline, nohomeW, length))
+        else if (!wcsnicmp(cmdline, nohomeW, length))
             nohome = TRUE;
-        else if (!strncmpiW(cmdline, startmanagerW, length))
+        else if (!wcsnicmp(cmdline, startmanagerW, length))
             manager = TRUE;
         else
             break;
diff --git a/dlls/ieframe/intshcut.c b/dlls/ieframe/intshcut.c
index 8bf8ae87029..13a5582dbc7 100644
--- a/dlls/ieframe/intshcut.c
+++ b/dlls/ieframe/intshcut.c
@@ -94,15 +94,15 @@ static BOOL run_winemenubuilder( const WCHAR *args )
     void *redir;
 
     GetSystemDirectoryW( app, MAX_PATH - ARRAY_SIZE( menubuilder ));
-    strcatW( app, menubuilder );
+    lstrcatW( app, menubuilder );
 
-    len = (strlenW( app ) + strlenW( args ) + 1) * sizeof(WCHAR);
+    len = (lstrlenW( app ) + lstrlenW( args ) + 1) * sizeof(WCHAR);
     buffer = heap_alloc( len );
     if( !buffer )
         return FALSE;
 
-    strcpyW( buffer, app );
-    strcatW( buffer, args );
+    lstrcpyW( buffer, app );
+    lstrcatW( buffer, args );
 
     TRACE("starting %s\n",debugstr_w(buffer));
 
@@ -136,7 +136,7 @@ static BOOL StartLinkProcessor( LPCOLESTR szLink )
     if( !buffer )
         return FALSE;
 
-    sprintfW( buffer, szFormat, szLink );
+    swprintf( buffer, len / sizeof(WCHAR), szFormat, szLink );
     ret = run_winemenubuilder( buffer );
     heap_free( buffer );
     return ret;
@@ -521,7 +521,7 @@ static HRESULT WINAPI PersistFile_Load(IPersistFile *pFile, LPCOLESTR pszFileNam
         int iconindex;
         PROPSPEC ps;
         PROPVARIANT pv;
-        iconindex = strtolW(iconindexstring, NULL, 10);
+        iconindex = wcstol(iconindexstring, NULL, 10);
         ps.ulKind = PRSPEC_PROPID;
         ps.u.propid = PID_IS_ICONINDEX;
         pv.vt = VT_I4;
diff --git a/dlls/ieframe/navigate.c b/dlls/ieframe/navigate.c
index 48187d95c2f..9efdacc080e 100644
--- a/dlls/ieframe/navigate.c
+++ b/dlls/ieframe/navigate.c
@@ -111,7 +111,7 @@ static void set_status_text(BindStatusCallback *This, ULONG statuscode, LPCWSTR
         fmt[0] = 0;
         /* the format string must have one "%s" for the str */
         LoadStringW(ieframe_instance, IDS_STATUSFMT_FIRST + statuscode, fmt, IDS_STATUSFMT_MAXLEN);
-        snprintfW(buffer, ARRAY_SIZE(buffer), fmt, str);
+        swprintf(buffer, ARRAY_SIZE(buffer), fmt, str);
     }
 
     V_VT(&arg) = VT_BSTR;
@@ -466,7 +466,7 @@ static HRESULT WINAPI HttpNegotiate_BeginningTransaction(IHttpNegotiate *iface,
           dwReserved, pszAdditionalHeaders);
 
     if(This->headers) {
-        int size = (strlenW(This->headers)+1)*sizeof(WCHAR);
+        int size = (lstrlenW(This->headers)+1)*sizeof(WCHAR);
         *pszAdditionalHeaders = CoTaskMemAlloc(size);
         memcpy(*pszAdditionalHeaders, This->headers, size);
     }