diff --git a/zen/tools/nodename_find.sh b/zen/tools/nodename_find.sh
index 9361c38..fcab04c 100755
--- a/zen/tools/nodename_find.sh
+++ b/zen/tools/nodename_find.sh
@@ -19,7 +19,7 @@ MY_PATH="`dirname \"$0\"`"              # relative
 MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
 ME="${0##*/}"
 
-[[ ! $(which nslookup) ]] && sudo apt-get install dnsutils -y
+[[ ! $(which nslookup) ]] && sudo apt-get update && sudo apt-get install dnsutils -y
 
 myip=$(hostname -I | awk '{print $1}')
 # Check if IP is from reserved LAN addresses