diff --git a/vllm/entrypoints/openai/api_server.py b/vllm/entrypoints/openai/api_server.py
index 993a834e..9f29b4ac 100644
--- a/vllm/entrypoints/openai/api_server.py
+++ b/vllm/entrypoints/openai/api_server.py
@@ -160,6 +160,7 @@ async def validation_exception_handler(_, exc):
 @app.get("/health")
 async def health() -> Response:
     """Health check."""
+    await openai_serving_chat.engine.check_health()
     return Response(status_code=200)