diff --git a/payment-request/allowpaymentrequest/setting-allowpaymentrequest-timing.https.sub.html b/payment-request/allowpaymentrequest/setting-allowpaymentrequest-timing.https.sub.html
index 072b94f286ed33..d77024eb7fcb48 100644
--- a/payment-request/allowpaymentrequest/setting-allowpaymentrequest-timing.https.sub.html
+++ b/payment-request/allowpaymentrequest/setting-allowpaymentrequest-timing.https.sub.html
@@ -1,5 +1,6 @@
 <!doctype html>
 <title>PaymentRequest setting allowpaymentrequest after document creation, before response</title>
+<meta name="timeout" content="long">
 <script src=/resources/testharness.js></script>
 <script src=/resources/testharnessreport.js></script>
 <div id="log"></div>
