diff --git a/assets/js/frontend/cart-fragments.js b/assets/js/frontend/cart-fragments.js
index 865f353049a..4f04b77b05e 100644
--- a/assets/js/frontend/cart-fragments.js
+++ b/assets/js/frontend/cart-fragments.js
@@ -38,7 +38,7 @@ jQuery( function( $ ) {
 	var $fragment_refresh = {
 		url: wc_cart_fragments_params.wc_ajax_url.toString().replace( '%%endpoint%%', 'get_refreshed_fragments' ),
 		type: 'POST',
-		timeout: 5000,
+		timeout: wc_cart_fragments_params.request_timeout,
 		success: function( data ) {
 			if ( data && data.fragments ) {
 
diff --git a/includes/class-wc-frontend-scripts.php b/includes/class-wc-frontend-scripts.php
index b7c1e688b47..55d48e4fd65 100644
--- a/includes/class-wc-frontend-scripts.php
+++ b/includes/class-wc-frontend-scripts.php
@@ -533,10 +533,11 @@ class WC_Frontend_Scripts {
 				break;
 			case 'wc-cart-fragments':
 				$params = array(
-					'ajax_url'      => WC()->ajax_url(),
-					'wc_ajax_url'   => WC_AJAX::get_endpoint( '%%endpoint%%' ),
-					'cart_hash_key' => apply_filters( 'woocommerce_cart_hash_key', 'wc_cart_hash_' . md5( get_current_blog_id() . '_' . get_site_url( get_current_blog_id(), '/' ) . get_template() ) ),
-					'fragment_name' => apply_filters( 'woocommerce_cart_fragment_name', 'wc_fragments_' . md5( get_current_blog_id() . '_' . get_site_url( get_current_blog_id(), '/' ) . get_template() ) ),
+					'ajax_url'        => WC()->ajax_url(),
+					'wc_ajax_url'     => WC_AJAX::get_endpoint( '%%endpoint%%' ),
+					'cart_hash_key'   => apply_filters( 'woocommerce_cart_hash_key', 'wc_cart_hash_' . md5( get_current_blog_id() . '_' . get_site_url( get_current_blog_id(), '/' ) . get_template() ) ),
+					'fragment_name'   => apply_filters( 'woocommerce_cart_fragment_name', 'wc_fragments_' . md5( get_current_blog_id() . '_' . get_site_url( get_current_blog_id(), '/' ) . get_template() ) ),
+					'request_timeout' => 5000,
 				);
 				break;
 			case 'wc-add-to-cart':