diff --git a/rop.rb b/rop.rb
index 8169bac..aee2c11 100644
--- a/rop.rb
+++ b/rop.rb
@@ -1,3 +1,4 @@
+# -*- coding: binary -*-
 require 'metasm'
 require 'rex/compat'
 require 'rex/ui/text/table'