diff --git a/administrator/components/com_cache/models/cache.php b/administrator/components/com_cache/models/cache.php
index 304e658aaad83..763a4448cdcc6 100644
--- a/administrator/components/com_cache/models/cache.php
+++ b/administrator/components/com_cache/models/cache.php
@@ -37,6 +37,20 @@ class CacheModelCache extends JModelList
 	 */
 	protected $_pagination = null;
 
+	/**
+	 * Constructor.
+	 *
+	 * @param   array  $config  An optional associative array of configuration settings.
+	 *
+	 * @since   3.5
+	 */
+	public function __construct($config = array())
+	{
+		parent::__construct($config);
+
+		$this->filter_fields = array('group', 'count', 'size');
+	}
+
 	/**
 	 * Method to auto-populate the model state.
 	 *