--- a/opc_ua/client.py	Fri Nov 11 08:26:15 2022 +0100
+++ b/opc_ua/client.py	Fri Nov 11 16:07:38 2022 +0100
@@ -88,7 +88,7 @@
     EditorType = OPCUAClientEditor
 
     def __init__(self):
-        self.modeldata = OPCUAClientModel(self.Log)
+        self.modeldata = OPCUAClientModel(self.Log, self.CTNMarkModified)
 
         filepath = self.GetFileName()
         if os.path.isfile(filepath):
@@ -99,7 +99,7 @@
 
     def GetModelData(self):
         return self.modeldata
-    
+
     def GetConfig(self):
         cfg = lambda path: self.GetParamsAttributes("OPCUAClient."+path)["value"]
         AuthType = cfg("AuthType")