diff --git a/src/watchdog/watchmedo.py b/src/watchdog/watchmedo.py
index f610268e..da81b2d3 100755
--- a/src/watchdog/watchmedo.py
+++ b/src/watchdog/watchmedo.py
@@ -635,7 +635,7 @@ def handler_termination_signal(_signum, _frame):
 def main():
     """Entry-point function."""
     args = cli.parse_args()
-    if args.command is None:
+    if args.top_command is None:
         cli.print_help()
     else:
         args.func(args)