diff --git a/mailpoet/lib/Subscribers/SubscriberSubscribeController.php b/mailpoet/lib/Subscribers/SubscriberSubscribeController.php
index 4495b38800..35ea3b307f 100644
--- a/mailpoet/lib/Subscribers/SubscriberSubscribeController.php
+++ b/mailpoet/lib/Subscribers/SubscriberSubscribeController.php
@@ -283,6 +283,7 @@ class SubscriberSubscribeController {
         $subscriber->getSubscriberTags()->add($subscriberTag);
         $this->subscriberTagRepository->persist($subscriberTag);
         $this->subscriberTagRepository->flush();
+        $this->wp->doAction('mailpoet_subscriber_tag_added', $subscriberTag);
       }
     }
   }