diff --git a/database/leveldb.go b/database/leveldb.go
index 7876b38e..2ad2ff86 100644
--- a/database/leveldb.go
+++ b/database/leveldb.go
@@ -101,7 +101,7 @@ func (l *levelDB) Put(key []byte, value []byte) error {
 			return err
 		}
 	} else {
-		if bytes.Compare(old, value) == 0 {
+		if bytes.Equal(old, value) {
 			return nil
 		}
 	}