diff --git a/spec/media_wiki/utils_spec.rb b/spec/media_wiki/utils_spec.rb
index 896cce7..652667c 100644
--- a/spec/media_wiki/utils_spec.rb
+++ b/spec/media_wiki/utils_spec.rb
@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 describe MediaWiki::Utils do
 
   describe '::get_path_to_subpage' do