diff --git a/wireguard-install.sh b/wireguard-install.sh
index a545f5f..4102ae8 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -170,7 +170,7 @@ Address = ${SERVER_WG_IPV4}/24,${SERVER_WG_IPV6}/64
 ListenPort = ${SERVER_PORT}
 PrivateKey = ${SERVER_PRIV_KEY}" >"/etc/wireguard/${SERVER_WG_NIC}.conf"
 
-	if [ -x "$(command -v firewall-cmd)" ]; then
+	if pgrep firewalld; then
 		FIREWALLD_IPV4_ADDRESS=$(echo "${SERVER_WG_IPV4}" | cut -d"." -f1-3)".0"
 		# shellcheck disable=SC2001
 		FIREWALLD_IPV6_ADDRESS=$(echo "${SERVER_WG_IPV6}" | sed 's/:[^:]*$/:0/')