diff --git a/css/css-images/WEB_FEATURES.yml b/css/css-images/WEB_FEATURES.yml
index 9d155f57d4707c..e9ed90bff960b6 100644
--- a/css/css-images/WEB_FEATURES.yml
+++ b/css/css-images/WEB_FEATURES.yml
@@ -20,3 +20,6 @@ features:
   - "!*conic*"
   - "multiple-position-color-stop-*"
   - color-stop-currentcolor.html
+- name: image-function
+  files:
+  - css-image-fallbacks-and-annotations*