diff --git a/gitlab/cli.py b/gitlab/cli.py
index be9b112cd..1ab7d627d 100644
--- a/gitlab/cli.py
+++ b/gitlab/cli.py
@@ -47,7 +47,7 @@ def wrapped_f(*args, **kwargs):
         if type(cls_names) != tuple:
             classes = (cls_names, )
 
-        for cls_name in cls_names:
+        for cls_name in classes:
             final_name = cls_name
             if cls_name.endswith('Manager'):
                 final_name = cls_name.replace('Manager', '')