diff --git a/certbot/certbot/_internal/display/obj.py b/certbot/certbot/_internal/display/obj.py
index 67043463b..b30587b4e 100644
--- a/certbot/certbot/_internal/display/obj.py
+++ b/certbot/certbot/_internal/display/obj.py
@@ -505,7 +505,7 @@ class NoninteractiveDisplay:
 
         """
         if default is None:
-            self._interaction_fail(message, cli_flag, "? ".join(tags))
+            self._interaction_fail(message, cli_flag, "? ".join(tags) + "?")
         return OK, default
 
     def directory_select(self, message, default=None,