diff --git a/wireguard-install.sh b/wireguard-install.sh
index 2f95ecb..618f88c 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -110,10 +110,10 @@ function installQuestions() {
 	echo ""
 
 	# Detect public IPv4 or IPv6 address and pre-fill for the user
-	SERVER_PUB_IP=$(ip -4 addr | sed -ne 's|^.* inet \([^/]*\)/.* scope global.*$|\1|p' | awk '{print $1}' | head -1)
+	SERVER_PUB_IP=$(curl -4 https://ifconfig.co)
 	if [[ -z ${SERVER_PUB_IP} ]]; then
 		# Detect public IPv6 address
-		SERVER_PUB_IP=$(ip -6 addr | sed -ne 's|^.* inet6 \([^/]*\)/.* scope global.*$|\1|p' | head -1)
+		SERVER_PUB_IP=$(curl -6 https://ifconfig.co)
 	fi
 	read -rp "IPv4 or IPv6 public address: " -e -i "${SERVER_PUB_IP}" SERVER_PUB_IP