diff --git a/br/pkg/task/stream.go b/br/pkg/task/stream.go
index b33459bb98e2e..8596eb89d6974 100644
--- a/br/pkg/task/stream.go
+++ b/br/pkg/task/stream.go
@@ -1177,7 +1177,7 @@ func restoreStream(
 		return errors.Trace(err)
 	}
 	defer func() {
-		if err = restoreGc(); err != nil {
+		if err := restoreGc(); err != nil {
 			log.Error("failed to set gc enabled", zap.Error(err))
 		}
 	}()