4 files changed, 10 insertions, 2 deletions
diff --git a/app/mailers/admin_mailer.rb b/app/mailers/admin_mailer.rb
index fd9223533..a30468eb8 100644
--- a/app/mailers/admin_mailer.rb
+++ b/app/mailers/admin_mailer.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 class AdminMailer < ApplicationMailer
-  helper StreamEntriesHelper
+  layout 'plain_mailer'
+
+  helper :stream_entries
 
   def new_report(recipient, report)
     @report   = report
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index 95b770ff1..683b60c86 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -2,7 +2,9 @@
 
 class ApplicationMailer < ActionMailer::Base
   layout 'mailer'
+
   helper :instance
+  helper :mailer
 
   protected
 
diff --git a/app/mailers/notification_mailer.rb b/app/mailers/notification_mailer.rb
index fd2b0649a..9fed4a636 100644
--- a/app/mailers/notification_mailer.rb
+++ b/app/mailers/notification_mailer.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 class NotificationMailer < ApplicationMailer
-  helper StreamEntriesHelper
+  helper :stream_entries
+
+  add_template_helper RoutingHelper
 
   def mention(recipient, notification)
     @me     = recipient
diff --git a/app/mailers/user_mailer.rb b/app/mailers/user_mailer.rb
index 7821be32b..a7efa73c1 100644
--- a/app/mailers/user_mailer.rb
+++ b/app/mailers/user_mailer.rb
@@ -5,6 +5,8 @@ class UserMailer < Devise::Mailer
 
   helper :instance
 
+  add_template_helper RoutingHelper
+
   def confirmation_instructions(user, token, **)
     @resource = user
     @token    = token