diff --git a/backend/main.py b/backend/main.py
index b6c9f7c..dc11b50 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -21,6 +21,10 @@ async def lifespan(app: FastAPI):
         yield
     finally:
         collector_task.cancel()
+        try:
+            await collector_task
+        except asyncio.CancelledError:
+            pass
 
 
 app = FastAPI(title="AUV API", version="1.0.0", lifespan=lifespan)