diff --git a/vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/_form_bulletin_file.html.erb b/vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/_form_bulletin_file.html.erb
index 04eadc2a7..24214877a 100644
--- a/vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/_form_bulletin_file.html.erb
+++ b/vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/_form_bulletin_file.html.erb
@@ -1,3 +1,4 @@
+<% # encoding: utf-8 %>
 
 		<tr id="<%= "bulletin_file_#{form_bulletin_file.id}" if !form_bulletin_file.new_record? %>" class='list_item'>
 			<td>