diff --git a/registry/scripts/upgrade_all.sh b/registry/scripts/upgrade_all.sh
index 28dcd5c4dbf57ccf9a7661e2809b3bf0dca3ae48..c5f592896f049fa9e2eed6c9c9f62c6735019bcb 100755
--- a/registry/scripts/upgrade_all.sh
+++ b/registry/scripts/upgrade_all.sh
@@ -18,7 +18,7 @@
 
 getip(){
     awk '/^lease/{IP=$2} /hardware ethernet/{gsub(";","",$3);if($3 == "'$1'"){print IP}}' \
-        < /var/lib/dhcp/dhcpd.leases | head -n 1
+        < /var/lib/dhcp/dhcpd.leases | tail -n 1
 }
 
 runcmd(){