diff --git a/files/dhcp-loopback b/files/dhcp-loopback
index 853e7ae..a08ea0f 100755
--- a/files/dhcp-loopback
+++ b/files/dhcp-loopback
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ ! -z $new_loopback ]; then
-   sed -ie '/^LOOPBACK=.*/d' /etc/environment
-   echo "LOOPBACK=$new_loopback" >>/etc/environment
+if [ ! -z $new_tier_id ]; then
+   sed -ie '/^TIER_ID=.*/d' /etc/environment
+   echo "TIER_ID=$new_tier_id" >>/etc/environment
 fi