diff --git a/lib/Cake/Cache/Cache.php b/lib/Cake/Cache/Cache.php
index 2cba7dadc1e..f4be0c14836 100644
--- a/lib/Cake/Cache/Cache.php
+++ b/lib/Cake/Cache/Cache.php
@@ -275,10 +275,10 @@ public static function set($settings = array(), $value = null, $config = 'defaul
  *
  * @param string $config [optional] The config name you wish to have garbage collected. Defaults to 'default'
  * @param int $expires [optional] An expires timestamp. Defaults to NULL
- * @return void
+ * @return boolean
  */
 	public static function gc($config = 'default', $expires = null) {
-		static::$_engines[$config]->gc($expires);
+		return static::$_engines[$config]->gc($expires);
 	}
 
 /**