diff --git a/include/wx/osx/core/cfstring.h b/include/wx/osx/core/cfstring.h
index 385527e75e..addef26fd7 100644
--- a/include/wx/osx/core/cfstring.h
+++ b/include/wx/osx/core/cfstring.h
@@ -74,6 +74,7 @@ public:
     static wxString AsStringWithNormalizationFormC( CFStringRef ref, wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
 #if wxOSX_USE_COCOA_OR_IPHONE
     static wxString AsString( NSString* ref, wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
+    static wxString AsStringWithNormalizationFormC( NSString* ref, wxFontEncoding encoding = wxFONTENCODING_DEFAULT ) ;
 #endif
 
 #if wxOSX_USE_COCOA_OR_IPHONE
diff --git a/src/osx/core/cfstring.cpp b/src/osx/core/cfstring.cpp
index 9182556e4c..3aca67c90d 100644
--- a/src/osx/core/cfstring.cpp
+++ b/src/osx/core/cfstring.cpp
@@ -699,7 +699,12 @@ wxString wxCFStringRef::AsString( NSString* ref, wxFontEncoding encoding )
 {
     return AsString( (CFStringRef) ref, encoding );
 }
-#endif
+
+wxString wxCFStringRef::AsStringWithNormalizationFormC( NSString* ref, wxFontEncoding encoding )
+{
+    return AsStringWithNormalizationFormC( (CFStringRef) ref, encoding );
+}
+#endif // wxOSX_USE_COCOA_OR_IPHONE
 
 
 //