diff --git a/Database/Datenbank.cs b/Database/Datenbank.cs
index 04e236d..92aa2b9 100644
--- a/Database/Datenbank.cs
+++ b/Database/Datenbank.cs
@@ -61,9 +61,9 @@ namespace Database
                 }
                 catch(XamlObjectWriterException ex)
                 {
-                    string msg = ex.Message;
-                    if (msg.ToLower().Contains("kann nicht festgelegt werden"))
-                        throw new DataBaseVersionMismatchException();
+                    if (ex.HResult.Equals(-2146233088))
+                        throw new DataBaseVersionMismatchException(ex.Message);
+                    
                 }
             }
             else