diff --git a/gitlab/functions.sh b/gitlab/functions.sh
index 2ea420ec3dbcbf06fdb612e424e98b5a3e70c9e2..699aa0eb22437f9a90be95d7d4e14b41aa33808a 100644
--- a/gitlab/functions.sh
+++ b/gitlab/functions.sh
@@ -473,3 +473,5 @@ fi
 
 export_env DOC_SERVER_PREFIX
 check_env DOC_UPLOADS
+
+check_env LANG