diff --git a/modules/initialize_util.py b/modules/initialize_util.py
index afda4206..7100f29a 100644
--- a/modules/initialize_util.py
+++ b/modules/initialize_util.py
@@ -214,5 +214,7 @@ def configure_cors_middleware(app):
     if cmd_opts.cors_allow_origins_regex:
         cors_options["allow_origin_regex"] = cmd_opts.cors_allow_origins_regex
 
-    app.user_middleware.insert(0, starlette.middleware.Middleware(CORSMiddleware, **cors_options))
-
+    # Clear existing middleware stack
+    app.middleware_stack = None
+    app.add_middleware(CORSMiddleware, **cors_options)
+    app.build_middleware_stack()