diff --git a/admin/code/LeftAndMain.php b/admin/code/LeftAndMain.php
index f1b031d2f..fff104714 100644
--- a/admin/code/LeftAndMain.php
+++ b/admin/code/LeftAndMain.php
@@ -80,7 +80,6 @@ class LeftAndMain extends Controller implements PermissionProvider {
 		'updatetreenodes',
 		'printable',
 		'show',
-		'ping',
 		'EditorToolbar',
 		'EditForm',
 		'AddForm',
@@ -398,15 +397,6 @@ class LeftAndMain extends Controller implements PermissionProvider {
 		return $this->getResponseNegotiator()->respond($request);
 	}
 
-	/**
-	 * admin/ping can be visited with ajax to keep a session alive.
-	 * This is used in the CMS.
-	 */
-	public function ping() {
-		Requirements::clear();
-		return 1;
-	}
-	
 	/**
 	 * If this is set to true, the "switchView" context in the
 	 * template is shown, with links to the staging and publish site.
diff --git a/admin/javascript/LeftAndMain.Ping.js b/admin/javascript/LeftAndMain.Ping.js
index 9638f6a15..79739bef8 100644
--- a/admin/javascript/LeftAndMain.Ping.js
+++ b/admin/javascript/LeftAndMain.Ping.js
@@ -38,7 +38,7 @@
 				// setup pinging for login expiry
 				setInterval(function() {
 					$.ajax({
-						url: 'admin/security/ping',
+						url: 'Security/ping',
 						global: false,
 						type: 'POST',
 						complete: onSessionLost
diff --git a/security/Security.php b/security/Security.php
index 71a9fa6d8..1bc6ac837 100644
--- a/security/Security.php
+++ b/security/Security.php
@@ -14,6 +14,7 @@ class Security extends Controller {
 	    'lostpassword', 
 	    'passwordsent', 
 	    'changepassword', 
+		'ping',
 		'LoginForm',
 		'ChangePasswordForm',
 		'LostPasswordForm',
@@ -294,6 +295,13 @@ class Security extends Controller {
 		return "Security/$action";
 	}
 
+	/**
+	 * This action is available as a keep alive, so user
+	 * sessions don't timeout. A common use is in the admin.
+	 */
+	public function ping() {
+		return 1;
+	}
 
 	/**
 	 * Log the currently logged in user out