diff --git a/shellstring.go b/shellstring.go
index 1c960bb..9e8e99c 100644
--- a/shellstring.go
+++ b/shellstring.go
@@ -75,7 +75,7 @@ func Parse(in string) ([]string, error) {
 		}
 	}
 	if len(stack) != 0 {
-		return nil, fmt.Errorf("corrensponding symbol missing: %s", stack)
+		return nil, fmt.Errorf("corrensponding symbol missing: %s", string(stack))
 	}
 	if len(s) != 0 {
 		out = append(out, string(s))