diff --git a/web/app/controllers/application_controller.rb b/web/app/controllers/application_controller.rb
index 31ef9c635..443fde23c 100644
--- a/web/app/controllers/application_controller.rb
+++ b/web/app/controllers/application_controller.rb
@@ -57,7 +57,7 @@ class ApplicationController < ActionController::Base
     # Backfill with individual UTM cookies if present
     # This supports cases where the frontend (jam-ui/web) set specific cookies
     # or if the JSON cookie is missing/incomplete.
-    %w(utm_source utm_medium utm_campaign utm_term utm_content).each do |key|
+    %w(utm_source utm_medium utm_campaign utm_term utm_content utm_id).each do |key|
       if cookies[key].present?
         data ||= {}
         data[key] = cookies[key]