diff --git a/testing/web-platform/meta/css/compositing-1/mix-blend-mode/mix-blend-mode-animation.html.ini b/testing/web-platform/meta/css/compositing-1/mix-blend-mode/mix-blend-mode-animation.html.ini
new file mode 100644
index 000000000000..3a14969b4567
--- /dev/null
+++ b/testing/web-platform/meta/css/compositing-1/mix-blend-mode/mix-blend-mode-animation.html.ini
@@ -0,0 +1,3 @@
+[mix-blend-mode-animation.html]
+  type: reftest
+  disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1381893