diff --git a/core/blockchain.go b/core/blockchain.go
index 76058c173d..90e26b5b39 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -42,7 +42,7 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/trie"
-	"github.com/hashicorp/golang-lru"
+	lru "github.com/hashicorp/golang-lru"
 )
 
 var (
@@ -869,7 +869,7 @@ func (bc *BlockChain) procFutureBlocks() {
 type WriteStatus byte
 
 const (
-	NonStatTy   WriteStatus = iota
+	NonStatTy WriteStatus = iota
 	CanonStatTy
 	SideStatTy
 )