diff --git a/cccli/command/shell.py b/cccli/command/shell.py
index b80d7f0fb9deaa9947724f3256ae8c6d239d3ddb..4a56d02159ed90c611767023530f9bc092c98734 100644
--- a/cccli/command/shell.py
+++ b/cccli/command/shell.py
@@ -12,6 +12,8 @@ from cccli.command.command import Command
 class Command_quit(Command):
     '''Quit application with respect'''
     def __call__(self, argv):
+        if len(argv) != 1:
+            raise cmdBadArgument()
         raise SystemExit()