diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index b990cfb508..5aac2b16d4 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -1108,11 +1108,11 @@ public:
         return date + (end - datestr.begin());
     }
 
-    const wchar_t *ParseFormat(const wchar_t *date,
-                               const wchar_t *format = wxDefaultDateTimeFormat,
-                               const wxDateTime& dateDef = wxDefaultDateTime)
+    const char *ParseFormat(const char *date,
+                            const wxString& format = L"%c",
+                            const wxDateTime& dateDef = wxDefaultDateTime)
     {
-        return ParseFormat(date, wxString(format), dateDef);
+        return ParseFormat(wxString(date), format, dateDef);
     }
 
     const char *ParseFormat(const char *date,