diff --git a/app/models/notification/bundle.rb b/app/models/notification/bundle.rb
index 77f8d73ec..5fab5fe7e 100644
--- a/app/models/notification/bundle.rb
+++ b/app/models/notification/bundle.rb
@@ -38,7 +38,7 @@ class Notification::Bundle < ApplicationRecord
   def deliver
     processing!
 
-    BundleMailer.notification(self).deliver if notifications.any?
+    Notification::BundleMailer.notification(self).deliver if notifications.any?
 
     delivered!
   end