diff --git a/entrypoint.sh b/entrypoint.sh
index 6ae5c37..82ae253 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,7 +2,7 @@
 
 DOMAIN=$HOMEASSISTANT_DOMAIN
 SELECTOR=$HOMEASSISTANT
-HOMEASSISTANT_IP=$(ip addr show eth0 | grep "inet\b" | awk '{print $2}' | cut -d '/' -f1)
+HOMEASSISTANT_IP=$(hostname -i | awk '{print $1}')
 HOST_FILE=/etc/system/data/dns/hosts.local;
 
 EXISTS=$(grep -w -F $SELECTOR $HOST_FILE);