diff --git a/tools/build_lxc.sh b/tools/build_lxc.sh
index 0f17378..580581b 100755
--- a/tools/build_lxc.sh
+++ b/tools/build_lxc.sh
@@ -32,7 +32,7 @@
 CONTAINER_CIDR=${CONTAINER_CIDR:-$CONTAINER_IP/24}
 CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0}
 CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1}
-NAMESERVER=${NAMESERVER:-$CONTAINER_GATEWAY}
+NAMESERVER=${NAMESERVER:-`cat /etc/resolv.conf | grep nameserver | head -1 | cut -d " " -f2`}
 COPYENV=${COPYENV:-1}
 DEST=${DEST:-/opt/stack}
 WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1}