diff --git a/backend/copr_backend/background_worker_build.py b/backend/copr_backend/background_worker_build.py
index 9700115a2..5bda806db 100644
--- a/backend/copr_backend/background_worker_build.py
+++ b/backend/copr_backend/background_worker_build.py
@@ -900,7 +900,7 @@ def _keep_alive():
         CancellableThreadTask(
             _keep_alive,
             self._cancel_task_check_request,
-            self._cancel_running_worker,
+            self._discard_running_worker,
             check_period=CANCEL_CHECK_PERIOD,
         ).run()
         if self.canceled: