diff --git a/scanner.go b/scanner.go
index 54d35bc..4801ade 100644
--- a/scanner.go
+++ b/scanner.go
@@ -222,7 +222,7 @@ func (s *scanner) string() bool {
 
 	// todo: escape sequences
 	value := s.source[s.start+1 : s.current-1]
-	s.addToken(tokenTypeString, value)
+	s.addToken(tokenTypeString, string(value))
 
 	return false
 }