diff --git a/‎gitlab/cli.py‎
Lines changed: 4 additions & 1 deletion b/‎gitlab/cli.py‎
Lines changed: 4 additions & 1 deletion
@@ -511,9 +511,12 @@ def main():
     what = arg.what
 
     # Remove CLI behavior-related args
-    for item in ("gitlab", "config_file", "verbose", "what", "action"):
+    for item in ("gitlab", "config_file", "verbose", "what", "action",
+                 "version"):
         args.pop(item)
 
+    args = {k: v for k, v in args.items() if v is not None}
+
     cls = None
     try:
         cls = gitlab.__dict__[_what_to_cls(what)]