diff --git a/setup.sh b/setup.sh
index dec9d70..5b26e20 100755
--- a/setup.sh
+++ b/setup.sh
@@ -21,6 +21,11 @@ if [[ ! -e .env  ]]; then
     sed -ir s/^USER_ID=/USER_ID=$(id -u)/ .env
     sed -ir s/^GROUP_ID=/GROUP_ID=$(id -g)/ .env
 
+    NODE_IP=`getent hosts livekit.$DOMAIN | cut -d' ' -f1`
+    if ! [ -z "$NODE_IP" ]; then
+	    sed -ir s/LIVEKIT_NODE_IP=127.0.0.1/LIVEKIT_NODE_IP=$NODE_IP/ .env
+    fi
+
     read -p "Enter base domain name (e.g. example.com): " DOMAIN
     sed -ir s/example.com/$DOMAIN/ .env