diff --git a/plinth/modules/email_server/__init__.py b/plinth/modules/email_server/__init__.py
index a0790554c..5934f5b94 100644
--- a/plinth/modules/email_server/__init__.py
+++ b/plinth/modules/email_server/__init__.py
@@ -190,7 +190,7 @@ def on_domain_added(sender, domain_type, name, description='', services=None,
     audit.domain.set_domains()
 
 
-def on_domain_removed(sender, domain_type, name, **kwargs):
+def on_domain_removed(sender, domain_type, name='', **kwargs):
     """Handle removal of a domain."""
     if app.needs_setup():
         return