diff --git a/src/network.sh b/src/network.sh
index c0da394..02eb5a5 100644
--- a/src/network.sh
+++ b/src/network.sh
@@ -52,7 +52,7 @@ ADD_ERR="Please add the following setting to your container:"
 isNAT() {
 
   case "${NETWORK,,}" in
-    "tap" | "tun" | "tuntap" | "y" | "" )
+    "nat" | "tap" | "tun" | "tuntap" | "y" | "" )
       return 0 ;;
     *)
       return 1 ;;
@@ -347,7 +347,7 @@ configureDNS() {
 
     # Set DHCP range and host
     arguments+=" --dhcp-range=$ip,$ip"
-    arguments+=" --dhcp-host=$mac,,$ip,$host,infinite"
+    arguments+=" --dhcp-host=$mac,,$ip,$host,1h"
 
     # Set DNS server and gateway
     arguments+=" --dhcp-option=option:netmask,$mask"