diff --git a/dom/tests/mochitest/pointerlock/mochitest.ini b/dom/tests/mochitest/pointerlock/mochitest.ini
index 4747f741a24..445e73d23a3 100644
--- a/dom/tests/mochitest/pointerlock/mochitest.ini
+++ b/dom/tests/mochitest/pointerlock/mochitest.ini
@@ -22,4 +22,4 @@ support-files =
   iframe_differentDOM.html
 
 [test_pointerlock-api.html]
-skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # B2G - window.open focus issues using fullscreen
+skip-if = buildapp == 'b2g' || toolkit == 'android' || buildapp == 'mulet' || e10s # B2G - window.open focus issues using fullscreen