diff --git a/chatmaild/src/chatmaild/doveauth.py b/chatmaild/src/chatmaild/doveauth.py
index 74e1f784..52246beb 100644
--- a/chatmaild/src/chatmaild/doveauth.py
+++ b/chatmaild/src/chatmaild/doveauth.py
@@ -60,6 +60,7 @@ def is_allowed_to_create(config: Config, user, cleartext_password) -> bool:
             config.username_min_length,
             config.username_max_length,
         )
+        return False
 
     return True