diff --git a/testing/web-platform/meta/notifications/idlharness.https.any.js.ini b/testing/web-platform/meta/notifications/idlharness.https.any.js.ini
index 21576337d4ac..31e8fed4fdef 100644
--- a/testing/web-platform/meta/notifications/idlharness.https.any.js.ini
+++ b/testing/web-platform/meta/notifications/idlharness.https.any.js.ini
@@ -1,3 +1,5 @@
+prefs: [dom.webnotifications.requireinteraction.enabled:true]
+
 [idlharness.https.any.serviceworker.html]
   [Notification interface: attribute silent]
     expected: FAIL