diff --git a/pylons_app/public/css/diff.css b/pylons_app/public/css/diff.css
--- a/pylons_app/public/css/diff.css
+++ b/pylons_app/public/css/diff.css
@@ -67,7 +67,7 @@ table.code-difftable td {
 	padding-left:2px;
 	padding-right:2px;
 	text-align:right;
-	width:20px;
+	width:30px;
 	-moz-user-select:none;
 	-webkit-user-select: none;
 }