diff --git a/main.py b/main.py
index 9169500..6a1e32b 100644
--- a/main.py
+++ b/main.py
@@ -26,7 +26,7 @@ async def initMongo(app: FastAPI):
 app.add_middleware(
     CORSMiddleware,
     allow_origins=origin,
-    allow_origin_regex=["https://.*\.netlify\.app"],
+    allow_origin_regex="https://.*\.netlify\.app",
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],