diff --git a/templates/filediff.tmpl b/templates/filediff.tmpl
--- a/templates/filediff.tmpl
+++ b/templates/filediff.tmpl
@@ -23,7 +23,7 @@
 #parent#
 </table>
 
-<div id="fileDiff" class="pre">
+<div id="fileDiff">
 #diff#
 </div>