diff --git a/openvpn-install.sh b/openvpn-install.sh
index deb7ed8..0f131d5 100755
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -800,7 +800,7 @@ persist-key
 persist-tun
 keepalive 10 120
 topology subnet
-server $LAN_IP $LAN_SUBNET_MASK
+server $(LAN_IP) $(LAN_SUBNET_MASK)
 ifconfig-pool-persist ipp.txt" >>/etc/openvpn/server.conf
 
 	# DNS resolvers