diff --git a/src/main/scala/com/github/kmizu/scomb/SCombinator.scala b/src/main/scala/com/github/kmizu/scomb/SCombinator.scala
index 40086bd..3c5cb59 100644
--- a/src/main/scala/com/github/kmizu/scomb/SCombinator.scala
+++ b/src/main/scala/com/github/kmizu/scomb/SCombinator.scala
@@ -472,7 +472,7 @@ abstract class SCombinator[R] {self =>
     } else {
       val substring = current(index)
       literal.findPrefixOf(substring) match {
-        case Some(prefix) => Success(substring.substring(prefix.length), index + prefix.length)
+        case Some(prefix) => Success(prefix, index + prefix.length)
         case None => Failure(s"expected:`${literal}`", index)
       }
     }