diff --git a/dom/tests/browser/browser.ini b/dom/tests/browser/browser.ini
index e1f0450672fd..57014b676e48 100644
--- a/dom/tests/browser/browser.ini
+++ b/dom/tests/browser/browser.ini
@@ -47,6 +47,6 @@ support-files =
 [browser_webapps_perms_reinstall.js]
 disabled = re-enable when bug 794920 is fixed
 [browser_xhr_sandbox.js]
-skip-if= buildapp == 'mulet' || e10s
+skip-if= buildapp == 'mulet'
 [browser_bug1004814.js]
 skip-if = e10s