diff --git a/voicevox_engine/app/middlewares.py b/voicevox_engine/app/middlewares.py
index 509e3d15a..d1fabe65a 100644
--- a/voicevox_engine/app/middlewares.py
+++ b/voicevox_engine/app/middlewares.py
@@ -42,7 +42,7 @@ async def global_execution_handler(request: Request, exc: Exception) -> Response
             if "*" in allow_origin:
                 print(
                     'WARNING: Deprecated use of argument "*" in allow_origin. '
-                    'Use option "--cors_policy_mod all" instead. See "--help" for more.',
+                    'Use option "--cors_policy_mode all" instead. See "--help" for more.',
                     file=sys.stderr,
                 )