diff --git a/bin/actions/service.py b/bin/actions/service.py
index 4a44825..e19dfd4 100755
--- a/bin/actions/service.py
+++ b/bin/actions/service.py
@@ -265,23 +265,15 @@ def main():
 
     # Start command
     start_parser = subparsers.add_parser("start", help="Start a Docker service")
-    start_parser_group = start_parser.add_mutually_exclusive_group(required=True)
-    start_parser_group.add_argument(
-        "--all", action="store_true", help="Start all services"
-    )
-    start_parser_group.add_argument("service", nargs="?", help="Service to start")
+    start_group = start_parser.add_mutually_exclusive_group(required=True)
+    start_group.add_argument("--all", action="store_true", help="Start all services")
+    start_group.add_argument("--service", dest="service", help="Service to start")
 
     # Stop command
     stop_parser = subparsers.add_parser("stop", help="Stop a Docker service")
-    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", help="Service to stop")
-    
-    # Make one of the arguments required
-    stop_parser.set_defaults(service=None)
-    stop_parser_group.required = True
+    stop_group = stop_parser.add_mutually_exclusive_group(required=True)
+    stop_group.add_argument("--all", action="store_true", help="Stop all running services")
+    stop_group.add_argument("--service", dest="service", help="Service to stop")
 
     # Restart command
     restart_parser = subparsers.add_parser("restart", help="Restart a Docker service")
@@ -292,11 +284,11 @@ def main():
         "update",
         help="Update a Docker service (pull new images and recreate if needed)",
     )
-    update_parser_group = update_parser.add_mutually_exclusive_group(required=True)
-    update_parser_group.add_argument(
+    update_group = update_parser.add_mutually_exclusive_group(required=True)
+    update_group.add_argument(
         "--all", action="store_true", help="Update all running services"
     )
-    update_parser_group.add_argument("service", nargs="?", help="Service to update")
+    update_group.add_argument("--service", dest="service", help="Service to update")
 
     # PS command
     ps_parser = subparsers.add_parser("ps", help="Show Docker service status")