diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 53bf395..21b60ac 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -162,6 +162,7 @@
 	<li>Fixed a bug in the Session library that would result in PHP error when attempting to store values with objects.</li>
 	<li>Fixed a bug where extending the Controller class would result in a fatal PHP error.</li>
 	<li>Fixed a PHP Strict Standards Error in the index.php file.</li>
+	<li>Fixed a bug where getimagesize() was being needlessly checked on non-image files in is_allowed_type().</li>
 </ul>
 
 <h2>Version 1.7.2</h2>