diff --git a/app/mailers/user_notifications.rb b/app/mailers/user_notifications.rb
index ee5a516a734..de8ac561eb9 100644
--- a/app/mailers/user_notifications.rb
+++ b/app/mailers/user_notifications.rb
@@ -589,7 +589,7 @@ class UserNotifications < ActionMailer::Base
       end
 
       unless translation_override_exists
-        html = UserNotificationRenderer.with_view_paths(Rails.configuration.paths["app/views"]).render(
+        html = UserNotificationRenderer.instance.render(
           template: 'email/notification',
           format: :html,
           locals: { context_posts: context_posts,
diff --git a/app/services/user_notification_renderer.rb b/app/services/user_notification_renderer.rb
index 8ad7d209145..edf11712838 100644
--- a/app/services/user_notification_renderer.rb
+++ b/app/services/user_notification_renderer.rb
@@ -4,4 +4,10 @@ class UserNotificationRenderer < ActionView::Base
   include ApplicationHelper
   include UserNotificationsHelper
   include EmailHelper
+
+  def self.instance
+    @instance ||= UserNotificationRenderer.with_view_paths(
+      Rails.configuration.paths["app/views"]
+    )
+  end
 end
diff --git a/lib/email/message_builder.rb b/lib/email/message_builder.rb
index d1e83b03e01..654c4ae3c67 100644
--- a/lib/email/message_builder.rb
+++ b/lib/email/message_builder.rb
@@ -94,9 +94,7 @@ module Email
         html_override.gsub!("%{respond_instructions}", "")
       end
 
-      html = UserNotificationRenderer.with_view_paths(
-        Rails.configuration.paths["app/views"]
-      ).render(
+      html = UserNotificationRenderer.instance.render(
         template: 'layouts/email_template',
         format: :html,
         locals: { html_body: html_override.html_safe }
diff --git a/lib/email/renderer.rb b/lib/email/renderer.rb
index 641fb207bed..2f9203bd6c3 100644
--- a/lib/email/renderer.rb
+++ b/lib/email/renderer.rb
@@ -18,9 +18,7 @@ module Email
       style = if @message.html_part
         Email::Styles.new(@message.html_part.body.to_s, @opts)
       else
-        unstyled = UserNotificationRenderer.with_view_paths(
-          Rails.configuration.paths["app/views"]
-        ).render(
+        unstyled = UserNotificationRenderer.instance.render(
           template: 'layouts/email_template',
           format: :html,
           locals: { html_body: PrettyText.cook(text).html_safe }