diff --git a/gfx/layers/apz/test/mochitest.ini b/gfx/layers/apz/test/mochitest.ini
index 4a7d5088866a..88bc0411dd6e 100644
--- a/gfx/layers/apz/test/mochitest.ini
+++ b/gfx/layers/apz/test/mochitest.ini
@@ -10,4 +10,4 @@ skip-if = toolkit != 'gonk'  # bug 991198
 [test_bug1151663.html]
 skip-if = toolkit != 'gonk'  # bug 991198
 [test_wheel_scroll.html]
-skip-if = (os == 'android') || (os == 'b2g') # wheel events not supported
+skip-if = (os == 'android') || (os == 'b2g') || (buildapp == 'mulet') # wheel events not supported on mobile; see bug 1164274 for mulet