diff --git a/lib/public/api.php b/lib/public/api.php
index 270aa89329..518e6f0097 100644
--- a/lib/public/api.php
+++ b/lib/public/api.php
@@ -34,7 +34,7 @@ class API {
 	* @param callable $action the function to run
 	* @param string $app the id of the app registering the call
 	*/
-	public function register($method, $url, $action, $app){
+	public static function register($method, $url, $action, $app){
 		OC_API::register($method, $url, $action, $app);
 	}