diff --git a/moulinette/actionsmap.py b/moulinette/actionsmap.py
index 3198e3f0..11f7e2be 100644
--- a/moulinette/actionsmap.py
+++ b/moulinette/actionsmap.py
@@ -89,6 +89,8 @@ class CommentParameter(_ExtraParameter):
     skipped_iface = ["api"]
 
     def __call__(self, message, arg_name, arg_value):
+        if arg_value:
+            return
         return msignals.display(m18n.n(message))
 
     @classmethod