diff --git a/extern/sector-storage/selector_task.go b/extern/sector-storage/selector_task.go
index ffed40d68..e4d92757e 100644
--- a/extern/sector-storage/selector_task.go
+++ b/extern/sector-storage/selector_task.go
@@ -45,4 +45,4 @@ func (s *taskSelector) Cmp(ctx context.Context, _ sealtasks.TaskType, a, b *work
 	return a.utilization() < b.utilization(), nil
 }
 
-var _ WorkerSelector = &allocSelector{}
+var _ WorkerSelector = &taskSelector{}