diff --git a/llama_stack/cli/stack/run.py b/llama_stack/cli/stack/run.py
index 1e4f3c5d9..29deb970b 100644
--- a/llama_stack/cli/stack/run.py
+++ b/llama_stack/cli/stack/run.py
@@ -30,7 +30,7 @@ class StackRun(Subcommand):
 
     def _add_arguments(self):
         self.parser.add_argument(
-            "config",
+            "--config",
             type=str,
             help="Path to config file to use for the run",
         )