diff --git a/tests/wpt/mozilla/meta/css/css-position-3/__dir__.ini b/tests/wpt/mozilla/meta/css/css-position-3/__dir__.ini
new file mode 100644
index 00000000000..01079cb56f5
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/css-position-3/__dir__.ini
@@ -0,0 +1 @@
+disabled: Sending multiple scrolling positions to WebRender is very flaky in the test harness