diff --git a/config/custom-environment-variables.json b/config/custom-environment-variables.json
index 49043b253..be28f8a79 100644
--- a/config/custom-environment-variables.json
+++ b/config/custom-environment-variables.json
@@ -24,6 +24,7 @@
   "featureFlagUpdatePages": "FEATURE_FLAG_UPDATE_PAGES",
   "featureFlagSearchUI": "GATSBY_TEST_SEARCH_UI",
   "gatsbyUseChatbot": "GATSBY_SHOW_CHATBOT",
+  "gatsbyHideUnifiedFooterLocale": "GATSBY_HIDE_UNIFIED_FOOTER_LOCALE",
   "repoBranchesCollection": "REPO_BRANCHES_COL_NAME",
   "docsetsCollection": "DOCSETS_COL_NAME",
   "repo_dir": "repos",