diff --git a/wireguard-install.sh b/wireguard-install.sh
index eed5efc..cd0b5e0 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -79,7 +79,7 @@ function installQuestions() {
 		read -rp "Public interface: " -e -i "${SERVER_NIC}" SERVER_PUB_NIC
 	done
 
-	until [[ ${SERVER_WG_NIC} =~ ^[a-zA-Z0-9_]+$ ]]; do
+	until [[ ${SERVER_WG_NIC} =~ ^[a-zA-Z0-9_]+$ && ${#SERVER_WG_NIC} -lt 16 ]]; do
 		read -rp "WireGuard interface name: " -e -i wg0 SERVER_WG_NIC
 	done