diff --git a/app/views/common/_diff.html.erb b/app/views/common/_diff.html.erb
index 8600164c0..94434fe86 100644
--- a/app/views/common/_diff.html.erb
+++ b/app/views/common/_diff.html.erb
@@ -10,7 +10,7 @@
 <thead>
 <tr>
   <th colspan="4" class="filename">
-    <%= h(Redmine::CodesetUtil.to_utf8_by_setting(table_file.file_name)) %>
+    <%= Redmine::CodesetUtil.to_utf8_by_setting(table_file.file_name) %>
   </th>
 </tr>
 </thead>
@@ -40,7 +40,7 @@
 <thead>
   <tr>
     <th colspan="3" class="filename">
-      <%= h(Redmine::CodesetUtil.to_utf8_by_setting(table_file.file_name)) %>
+      <%= Redmine::CodesetUtil.to_utf8_by_setting(table_file.file_name) %>
     </th>
   </tr>
 </thead>