diff --git a/devtools/server/actors/animation-type-longhand.js b/devtools/server/actors/animation-type-longhand.js
index e9ae3b5edc9e..985a13d322e0 100644
--- a/devtools/server/actors/animation-type-longhand.js
+++ b/devtools/server/actors/animation-type-longhand.js
@@ -422,6 +422,7 @@ exports.ANIMATION_TYPE_FOR_LONGHANDS = [
       "stop-opacity",
       "stroke-miterlimit",
       "stroke-opacity",
+      "zoom",
       "-moz-window-opacity",
     ]),
   ],