diff --git a/gui/wato/check_parameters/vzlogger.py b/gui/wato/check_parameters/vzlogger.py
index b4601d48cfc52276184895032d0bd283de7619fd..e8472cc834bd077bfb711288cf94de8d4cd42a5c 100644
--- a/gui/wato/check_parameters/vzlogger.py
+++ b/gui/wato/check_parameters/vzlogger.py
@@ -58,7 +58,6 @@ def _parameter_valuespec_vzlogger():
                  ]))
 
         ],
-        optional_keys=False,
     )
 
 
diff --git a/vzlogger-0.0.1-20230806.mkp b/vzlogger-0.0.1-20230806.mkp
index dda497935f53133d260bd4061c7d4910ac703284..e446552c58359b12e7018f9d0c339f88110b2343 100644
Binary files a/vzlogger-0.0.1-20230806.mkp and b/vzlogger-0.0.1-20230806.mkp differ