diff --git a/core/blockchain.go b/core/blockchain.go
index 481e1329a7..79300a39d3 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1475,10 +1475,8 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
 		}
 		logFn(msg, "number", commonBlock.Number(), "hash", commonBlock.Hash(),
 			"drop", len(oldChain), "dropfrom", oldChain[0].Hash(), "add", len(newChain), "addfrom", newChain[0].Hash())
-		if len(oldChain) > 1 {
-			blockReorgAddMeter.Mark(int64(len(newChain)))
-			blockReorgDropMeter.Mark(int64(len(oldChain)))
-		}
+		blockReorgAddMeter.Mark(int64(len(newChain)))
+		blockReorgDropMeter.Mark(int64(len(oldChain)))
 	} else {
 		log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "newnum", newBlock.Number(), "newhash", newBlock.Hash())
 	}