diff --git a/qutebrowser/commands/utils.py b/qutebrowser/commands/utils.py
index 22dc3016a..6b3e8e7c5 100644
--- a/qutebrowser/commands/utils.py
+++ b/qutebrowser/commands/utils.py
@@ -304,7 +304,7 @@ class CommandParser(QObject):
         except ArgumentCountError:
             if ignore_exc:
                 self.error.emit("{}: invalid argument count".format(
-                    self._cmd.mainname))
+                    self._cmd.name))
                 return False
             else:
                 raise