diff --git a/app/views/wiki/diff.html.erb b/app/views/wiki/diff.html.erb
index c4769cdfa..adeaa7cab 100644
--- a/app/views/wiki/diff.html.erb
+++ b/app/views/wiki/diff.html.erb
@@ -28,6 +28,6 @@
   </em>
 </p>
 
-<div class="text-diff" style=" width: 100%;word-break: break-all;word-wrap: break-word;">
+<div class="text-diff" style="word-break: break-all;word-wrap: break-word;">
   <%= simple_format_without_paragraph @diff.to_html %>
 </div>