diff --git a/src/Application/Routers/RouteList.php b/src/Application/Routers/RouteList.php
index 6fbea06fe..f77a81922 100644
--- a/src/Application/Routers/RouteList.php
+++ b/src/Application/Routers/RouteList.php
@@ -102,7 +102,7 @@ public function offsetSet($index, $router): void
 		if ($router instanceof Route) {
 			trigger_error('Usage `$router[] = new Route(...)` is deprecated, use `$router->addRoute(...)`.', E_USER_DEPRECATED);
 		} else {
-			$class = getclass($router);
+			$class = get_class($router);
 			trigger_error("Usage `\$router[] = new $class` is deprecated, use `\$router->add(new $class)`.", E_USER_DEPRECATED);
 		}