diff --git a/src/test/scala/com/github/fluency03/blockchain/crypto/RIPEMD160Test.scala b/src/test/scala/com/github/fluency03/blockchain/crypto/RIPEMD160Test.scala
index f989564..f8630be 100644
--- a/src/test/scala/com/github/fluency03/blockchain/crypto/RIPEMD160Test.scala
+++ b/src/test/scala/com/github/fluency03/blockchain/crypto/RIPEMD160Test.scala
@@ -30,7 +30,7 @@ class RIPEMD160Test extends FlatSpec with Matchers {
       "eb7ea13c176c4d03355ac27129760673") shouldEqual
       "352b0b6bd7284755d5c685fb7793c9f4d672c5ff"
 
-    RIPEMD160.hashHexs("3D7C570DCDF97F6C1823C0CE4F5ACB0878A1505992445F33BC66C7302F56C6BA") shouldEqual
+    RIPEMD160.hashHex("3D7C570DCDF97F6C1823C0CE4F5ACB0878A1505992445F33BC66C7302F56C6BA") shouldEqual
       "45590A0195EB451711B9D076E4C0CD04675AAD55".toLowerCase
 
     RIPEMD160.hashHexs("3D7C570DCDF97F6C1823C0CE4F", "5ACB0878A1505992445F33BC66C7302F56C6BA") shouldEqual