diff --git a/lib/english/metaphone.rb b/lib/english/metaphone.rb
index b2a7aca..578a548 100644
--- a/lib/english/metaphone.rb
+++ b/lib/english/metaphone.rb
@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 require 'english/class'
 
 class English