diff --git a/tests/bin/test_server/server.py b/tests/bin/test_server/server.py
index 58b1da2..bab89cf 100644
--- a/tests/bin/test_server/server.py
+++ b/tests/bin/test_server/server.py
@@ -15,5 +15,5 @@ async def post_foo(request: Request) -> Response:
 
 
 @get("/exception")
-async def mock_exception():
-    raise Exception("Mock exception")
+async def mock_exception() -> Response:
+    return Response(500, content=b"Internal Server Error")