diff --git a/dom/workers/test/serviceworkers/mochitest.ini b/dom/workers/test/serviceworkers/mochitest.ini
index 4beb0b3079a3..edc7d06c7420 100644
--- a/dom/workers/test/serviceworkers/mochitest.ini
+++ b/dom/workers/test/serviceworkers/mochitest.ini
@@ -30,6 +30,7 @@ skip-if = true # Bug 1133805
 [test_scopes.html]
 [test_controller.html]
 [test_workerUpdate.html]
+skip-if = true # Bug 1133805
 [test_workerUnregister.html]
 skip-if = true # Bug 1133805
 [test_post_message.html]