diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go
index 712de3f1b7b30..e87aa312ef078 100644
--- a/store/tikv/coprocessor.go
+++ b/store/tikv/coprocessor.go
@@ -779,7 +779,9 @@ func (worker *copIteratorWorker) handleCopStreamResult(bo *Backoffer, rpcCtx *RP
 			logutil.Logger(context.Background()).Info("stream recv timeout", zap.Error(err))
 			return worker.buildCopTasksFromRemain(bo, lastRange, task)
 		}
-		lastRange = resp.Range
+		if resp.Range != nil {
+			lastRange = resp.Range
+		}
 	}
 }