diff --git a/assets/js/src/segments/dynamic/segment_form_data.ts b/assets/js/src/segments/dynamic/segment_form_data.ts
index 19e49981b5..30958f738e 100644
--- a/assets/js/src/segments/dynamic/segment_form_data.ts
+++ b/assets/js/src/segments/dynamic/segment_form_data.ts
@@ -30,6 +30,15 @@ interface SegmentFormDataWindow extends Window {
     id: string;
   }[];
 
+  mailpoet_custom_fields: {
+    created_at: string;
+    id: number;
+    name: string;
+    type: string;
+    params: Record<string, unknown>;
+    updated_at: string;
+  }
+
   mailpoet_can_use_woocommerce_subscriptions: boolean;
   mailpoet_woocommerce_currency_symbol: string;
 }
@@ -45,4 +54,5 @@ export const SegmentFormData = {
   canUseWooSubscriptions: window.mailpoet_can_use_woocommerce_subscriptions,
   wooCurrencySymbol: window.mailpoet_woocommerce_currency_symbol,
   wooCountries: window.mailpoet_woocommerce_countries,
+  customFieldsList: window.mailpoet_custom_fields,
 };
diff --git a/lib/AdminPages/Pages/Segments.php b/lib/AdminPages/Pages/Segments.php
index 00a5ed805e..dc81560614 100644
--- a/lib/AdminPages/Pages/Segments.php
+++ b/lib/AdminPages/Pages/Segments.php
@@ -3,7 +3,9 @@
 namespace MailPoet\AdminPages\Pages;
 
 use MailPoet\AdminPages\PageRenderer;
+use MailPoet\API\JSON\ResponseBuilders\CustomFieldsResponseBuilder;
 use MailPoet\Config\ServicesChecker;
+use MailPoet\CustomFields\CustomFieldsRepository;
 use MailPoet\Entities\DynamicSegmentFilterData;
 use MailPoet\Listing\PageLimit;
 use MailPoet\Models\Newsletter;
@@ -43,6 +45,12 @@ class Segments {
   /** @var SegmentDependencyValidator */
   private $segmentDependencyValidator;
 
+  /** @var CustomFieldsRepository */
+  private $customFieldsRepository;
+
+  /** @var CustomFieldsResponseBuilder */
+  private $customFieldsResponseBuilder;
+
   public function __construct(
     PageRenderer $pageRenderer,
     PageLimit $listingPageLimit,
@@ -52,6 +60,8 @@ class Segments {
     WPPostListLoader $wpPostListLoader,
     SubscribersFeature $subscribersFeature,
     SettingsController $settings,
+    CustomFieldsRepository $customFieldsRepository,
+    CustomFieldsResponseBuilder $customFieldsResponseBuilder,
     SegmentDependencyValidator $segmentDependencyValidator
   ) {
     $this->pageRenderer = $pageRenderer;
@@ -63,6 +73,8 @@ class Segments {
     $this->wpPostListLoader = $wpPostListLoader;
     $this->settings = $settings;
     $this->segmentDependencyValidator = $segmentDependencyValidator;
+    $this->customFieldsRepository = $customFieldsRepository;
+    $this->customFieldsResponseBuilder = $customFieldsResponseBuilder;
   }
 
   public function render() {
@@ -77,6 +89,8 @@ class Segments {
     $data['subscriber_count'] = $this->subscribersFeature->getSubscribersCount();
     $data['has_premium_support'] = $this->subscribersFeature->hasPremiumSupport();
     $data['mss_key_invalid'] = ($this->servicesChecker->isMailPoetAPIKeyValid() === false);
+    $customFields = $this->customFieldsRepository->findAll();
+    $data['custom_fields'] = $this->customFieldsResponseBuilder->buildBatch($customFields);
 
     $wpRoles = $this->wp->getEditableRoles();
     $data['wordpress_editable_roles_list'] = array_map(function($roleId, $role) {
diff --git a/views/segments.html b/views/segments.html
index c7f45476d9..7a9ff866c8 100644
--- a/views/segments.html
+++ b/views/segments.html
@@ -21,6 +21,7 @@
     var mailpoet_has_valid_api_key = <%= has_valid_api_key ? 'true' : 'false' %>;
     var mailpoet_mss_key_invalid = <%= mss_key_invalid ? 'true' : 'false' %>;
     var mailpoet_subscribers_count = <%= subscriber_count %>;
+    var mailpoet_custom_fields = <%= json_encode(custom_fields) %>;
     var mailpoet_has_premium_support = <%= has_premium_support ? 'true' : 'false' %>;
     var wordpress_editable_roles_list = <%= json_encode(wordpress_editable_roles_list)  %>;
     var mailpoet_newsletters_list = <%= json_encode(newsletters_list)  %>;