diff --git a/openvpn-install.sh b/openvpn-install.sh
index d152fb6..68b6c94 100755
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -206,7 +206,7 @@ function installQuestions () {
 	echo "Unless your server is behind NAT, it should be your public IPv4 address."
 
 	# Detect public IPv4 address and pre-fill for the user
-	IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
+	IP=$(ip -4 addr | sed -ne 's|^.* inet \([^/]*\)/.* scope global.*$|\1|p' | head -1)
 	APPROVE_IP=${APPROVE_IP:-n}
 	if [[ $APPROVE_IP =~ n ]]; then
 		read -rp "IP address: " -e -i "$IP" IP