diff --git a/lib/Cake/Routing/DispatcherFilter.php b/lib/Cake/Routing/DispatcherFilter.php
index cf6f4fa519c..386cc01bd97 100644
--- a/lib/Cake/Routing/DispatcherFilter.php
+++ b/lib/Cake/Routing/DispatcherFilter.php
@@ -66,7 +66,7 @@ public function implementedEvents() {
  *	keys in the data property.
  * @return CakeResponse|boolean
  **/
-	public function beforeDispatch($event) {
+	public function beforeDispatch(CakeEvent $event) {
 	}
 
 /**
@@ -81,6 +81,6 @@ public function beforeDispatch($event) {
  *	keys in the data property.
  * @return mixed boolean to stop the event dispatching or null to continue
  **/
-	public function afterDispatch($event) {
+	public function afterDispatch(CakeEvent $event) {
 	}
 }
diff --git a/lib/Cake/Routing/Filter/AssetDispatcher.php b/lib/Cake/Routing/Filter/AssetDispatcher.php
index 24aff7cd0c7..96ac235b361 100644
--- a/lib/Cake/Routing/Filter/AssetDispatcher.php
+++ b/lib/Cake/Routing/Filter/AssetDispatcher.php
@@ -40,7 +40,7 @@ class AssetDispatcher extends DispatcherFilter {
  * @param CakeEvent $event containing the request and response object
  * @return CakeResponse if the client is requesting a recognized asset, null otherwise
  */
-	public function beforeDispatch($event) {
+	public function beforeDispatch(CakeEvent $event) {
 		$url = $event->data['request']->url;
 		if (strpos($url, '..') !== false || strpos($url, '.') === false) {
 			return;
@@ -77,7 +77,7 @@ public function beforeDispatch($event) {
  * @param CakeEvent $event containing the request and response object
  * @return CakeResponse if the client is requesting a recognized asset, null otherwise
  */
-	protected function _filterAsset($event) {
+	protected function _filterAsset(CakeEvent $event) {
 		$url = $event->data['request']->url;
 		$response = $event->data['response'];
 		$filters = Configure::read('Asset.filter');
diff --git a/lib/Cake/Routing/Filter/CacheDispatcher.php b/lib/Cake/Routing/Filter/CacheDispatcher.php
index 908d77a4a38..0bc305d8938 100644
--- a/lib/Cake/Routing/Filter/CacheDispatcher.php
+++ b/lib/Cake/Routing/Filter/CacheDispatcher.php
@@ -36,7 +36,7 @@ class CacheDispatcher extends DispatcherFilter {
  * @param CakeEvent $event containing the request and response object
  * @return CakeResponse with cached content if found, null otherwise
  */
-	public function beforeDispatch($event) {
+	public function beforeDispatch(CakeEvent $event) {
 		if (Configure::read('Cache.check') !== true) {
 			return;
 		}