diff --git a/cmd/mtredisalize/leveldb.go b/cmd/mtredisalize/leveldb.go
index 3bffce9..f218ba4 100644
--- a/cmd/mtredisalize/leveldb.go
+++ b/cmd/mtredisalize/leveldb.go
@@ -144,7 +144,7 @@ func (ldbs *LevelDBSession) Del(hash, key []byte) (success bool, err error) {
 	if key, err = ldbs.backend.decoder(key); err != nil {
 		return
 	}
-	ldbs.backend.doRead(func(db *leveldb.DB) {
+	ldbs.backend.doWrite(func(db *leveldb.DB) {
 		ro := leveldb.NewReadOptions()
 		defer ro.Close()
 		var data []byte