diff --git a/jvm/refspec/src/main/scala/org/scalatest/refspec/RefSpec.scala b/jvm/refspec/src/main/scala/org/scalatest/refspec/RefSpec.scala
index 3b984bed42..82af8386c8 100644
--- a/jvm/refspec/src/main/scala/org/scalatest/refspec/RefSpec.scala
+++ b/jvm/refspec/src/main/scala/org/scalatest/refspec/RefSpec.scala
@@ -1383,7 +1383,7 @@ private[scalatest] object RefSpec {
         else
           value
           
-      val bytes = Codec.toUTF8(toHash.toArray)
+      val bytes = Codec.toUTF8(toHash)
       val md5 = MessageDigest.getInstance("MD5")
       md5.update(bytes)
       val md5chars = (md5.digest() map (b => (b & 0xFF).toHexString)).mkString