diff --git a/lib/private/notification/manager.php b/lib/private/notification/manager.php
index f14929642d..eee03d93db 100644
--- a/lib/private/notification/manager.php
+++ b/lib/private/notification/manager.php
@@ -71,7 +71,7 @@ class Manager implements IManager {
 		}
 
 		foreach ($this->appsClosures as $closure) {
-			$app = $closure;
+			$app = $closure();
 			if (!($app instanceof IApp)) {
 				throw new \InvalidArgumentException('The given notification app does not implement the IApp interface');
 			}
@@ -90,7 +90,7 @@ class Manager implements IManager {
 		}
 
 		foreach ($this->notifiersClosures as $closure) {
-			$notifier = $closure;
+			$notifier = $closure();
 			if (!($notifier instanceof INotifier)) {
 				throw new \InvalidArgumentException('The given notification app does not implement the INotifier interface');
 			}
diff --git a/lib/private/notification/notification.php b/lib/private/notification/notification.php
index 17246ddef3..f5171f150c 100644
--- a/lib/private/notification/notification.php
+++ b/lib/private/notification/notification.php
@@ -393,7 +393,7 @@ class Notification implements INotification {
 		if (!$action->isValidParsed()) {
 			throw new \InvalidArgumentException('The given parsed action is invalid');
 		}
-		$this->actions[] = $action;
+		$this->actionsParsed[] = $action;
 		return $this;
 	}