diff --git a/scenario/misc/argv.rb b/scenario/misc/argv.rb
index 6c99bff6..a83c1221 100644
--- a/scenario/misc/argv.rb
+++ b/scenario/misc/argv.rb
@@ -8,4 +8,4 @@ def foo(n)
 ## assert
 class Object
   def foo: (Integer) -> String
-end
+en