diff --git a/setup/so-functions b/setup/so-functions
index 7e16b8a6f..d769e72ad 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -1336,7 +1336,7 @@ set_initial_firewall_policy() {
 			;;
 		'SENSOR' | 'SEARCHNODE' | 'HEAVYNODE' | 'FLEET')
 			ssh -i /root/.ssh/so.key soremote@"$MSRV" sudo /opt/so/saltstack/pillar/firewall/addfirewall.sh minions "$MAINIP"
-			case "$INSTALLERTYPE" in
+			case "$install_type" in
 				'SENSOR')
 					ssh -i /root/.ssh/so.key soremote@"$MSRV" sudo /opt/so/saltstack/pillar/firewall/addfirewall.sh forward_nodes "$MAINIP"
 					ssh -i /root/.ssh/so.key soremote@"$MSRV" sudo /opt/so/saltstack/pillar/data/addtotab.sh sensorstab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm" bond0