diff --git a/app/main.py b/app/main.py
index 071252b..5d60c8a 100644
--- a/app/main.py
+++ b/app/main.py
@@ -13,7 +13,7 @@ app = FastAPI(
     title="Document Service",
     version="1.0.0",
     description="Generic document management service with S3 storage and PDF field discovery",
-    openapi_url="/openapi3.json",
+    openapi_url="/openapi",
     docs_url="/docs",
     redoc_url="/redoc"
 )