diff --git a/src/Collections.php b/src/Collections.php
index ac1059b..cd3dd58 100644
--- a/src/Collections.php
+++ b/src/Collections.php
@@ -54,7 +54,7 @@ public function init()
         parent::init();
         self::$plugin = $this;
 
-        Craft::$app->view->twig->addExtension(new CollectionsTwigExtension());
+        Craft::$app->view->registerTwigExtension(new CollectionsTwigExtension());
 
         Event::on(
             CraftVariable::class,