diff --git a/lib/AdminPages/PageRenderer.php b/lib/AdminPages/PageRenderer.php
index 5f9386d29d..1e9d7cf426 100644
--- a/lib/AdminPages/PageRenderer.php
+++ b/lib/AdminPages/PageRenderer.php
@@ -4,6 +4,8 @@ namespace MailPoet\AdminPages;
 
 use MailPoet\Config\Renderer;
 use MailPoet\Features\FeaturesController;
+use MailPoet\Referrals\ReferralDetector;
+use MailPoet\Settings\SettingsController;
 use MailPoet\WP\Notice as WPNotice;
 
 if (!defined('ABSPATH')) exit;
@@ -15,9 +17,17 @@ class PageRenderer {
   /** @var FeaturesController */
   private $features_controller;
 
-  function __construct(Renderer $renderer, FeaturesController $features_controller) {
+  /** @var SettingsController */
+  private $settings;
+
+  function __construct(
+    Renderer $renderer,
+    FeaturesController $features_controller,
+    SettingsController $settings
+  ) {
     $this->renderer = $renderer;
     $this->features_controller = $features_controller;
+    $this->settings = $settings;
   }
 
   /**
@@ -28,6 +38,7 @@ class PageRenderer {
   function displayPage($template, array $data = []) {
     $defaults = [
       'feature_flags' => $this->features_controller->getAllFlags(),
+      'referral_id' => $this->settings->get(ReferralDetector::REFERRAL_SETTING_NAME),
     ];
     try {
       echo $this->renderer->render($template, $data + $defaults);
diff --git a/views/layout.html b/views/layout.html
index 7a37aa6e08..9d83bddb4a 100644
--- a/views/layout.html
+++ b/views/layout.html
@@ -60,6 +60,7 @@ jQuery('.toplevel_page_mailpoet-newsletters.menu-top-last')
   // RFC 5322 standard; http://emailregex.com/ combined with https://google.github.io/closure-library/api/goog.format.EmailAddress.html#isValid
   var mailpoet_email_regex = /(?=^[+a-zA-Z0-9_.!#$%&'*\/=?^`{|}~-]+@([a-zA-Z0-9-]+\.)+[a-zA-Z0-9]{2,63}$)(?=^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})))/;
   var mailpoet_feature_flags = <%= json_encode(feature_flags) %>;
+  var mailpoet_referral_id = <%= json_encode(referral_id) %>;
 </script>
 
 <!-- javascripts -->