diff --git a/include/wx/osx/core/cfstring.h b/include/wx/osx/core/cfstring.h
index 66a86760da..385527e75e 100644
--- a/include/wx/osx/core/cfstring.h
+++ b/include/wx/osx/core/cfstring.h
@@ -71,6 +71,7 @@ public:
     wxString AsString( wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) const;
 
     static wxString AsString( CFStringRef ref, wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
+    static wxString AsStringWithNormalizationFormC( CFStringRef ref, wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
 #if wxOSX_USE_COCOA_OR_IPHONE
     static wxString AsString( NSString* ref, wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
 #endif
diff --git a/src/osx/core/cfstring.cpp b/src/osx/core/cfstring.cpp
index c3bfcce19b..9182556e4c 100644
--- a/src/osx/core/cfstring.cpp
+++ b/src/osx/core/cfstring.cpp
@@ -632,6 +632,18 @@ wxCFStringRef::wxCFStringRef( const wxString &st , wxFontEncoding WXUNUSED_IN_UN
     }
 }
 
+wxString wxCFStringRef::AsStringWithNormalizationFormC( CFStringRef ref, wxFontEncoding encoding )
+{
+    if ( !ref )
+        return wxEmptyString ;
+
+    CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, ref);
+    CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
+    wxString str = wxCFStringRef::AsString(ref,encoding);
+    CFRelease(cfMutableString);
+    return str;
+}
+
 wxString wxCFStringRef::AsString( CFStringRef ref, wxFontEncoding WXUNUSED_IN_UNICODE(encoding) )
 {
     if ( !ref )