diff --git a/bin/actions/service.py b/bin/actions/service.py
index 06856b7..4a44825 100755
--- a/bin/actions/service.py
+++ b/bin/actions/service.py
@@ -273,11 +273,15 @@ def main():
 
     # Stop command
     stop_parser = subparsers.add_parser("stop", help="Stop a Docker service")
-    stop_parser_group = stop_parser.add_mutually_exclusive_group(required=True)
+    stop_parser_group = stop_parser.add_mutually_exclusive_group(required=False)
     stop_parser_group.add_argument(
         "--all", action="store_true", help="Stop all running services"
     )
-    stop_parser_group.add_argument("service", nargs="?", help="Service to stop")
+    stop_parser_group.add_argument("service", help="Service to stop")
+    
+    # Make one of the arguments required
+    stop_parser.set_defaults(service=None)
+    stop_parser_group.required = True
 
     # Restart command
     restart_parser = subparsers.add_parser("restart", help="Restart a Docker service")