diff --git a/qrexec/tools/qrexec_policy_exec.py b/qrexec/tools/qrexec_policy_exec.py
index 807c1408..cabd9de9 100644
--- a/qrexec/tools/qrexec_policy_exec.py
+++ b/qrexec/tools/qrexec_policy_exec.py
@@ -114,6 +114,7 @@ async def execute(self) -> str:
             ask_response,
         )
         self.handle_invalid_response()
+        # pylint: disable=unreachable
         assert False, "handle_invalid_response should throw"