diff --git a/arm-env.sh b/arm-env.sh
index 25999f9..0930990 100644
--- a/arm-env.sh
+++ b/arm-env.sh
@@ -11,7 +11,7 @@
 
 nfs_volume="/arm"
 jenkins_url="https://jenkins.oss.arm.com"
-tfa_downloads="https://downloads.trustedfirmware.org/tf-a"
+tfa_downloads="${DOWNLOAD_SERVER_URL}/tf-a"
 ci_env="armci"
 
 # Source repositories.