diff --git a/stack.sh b/stack.sh
index 0d90baea31..1e93883db9 100755
--- a/stack.sh
+++ b/stack.sh
@@ -253,7 +253,7 @@ SCHEDULER=${SCHEDULER:-nova.scheduler.filter_scheduler.FilterScheduler}
 HOST_IP_IFACE=${HOST_IP_IFACE:-eth0}
 # Use the eth0 IP unless an explicit is set by ``HOST_IP`` environment variable
 if [ -z "$HOST_IP" -o "$HOST_IP" == "dhcp" ]; then
-    HOST_IP=`LC_ALL=C /sbin/ifconfig ${HOST_IP_IFACE} | grep -m 1 'inet addr:'| cut -d: -f2 | awk '{print $1}'`
+    HOST_IP=`LC_ALL=C /sbin/ifconfig ${HOST_IP_IFACE} | grep -m 1 'inet'| cut -d: -f2 | awk '{print $2}'`
     if [ "$HOST_IP" = "" ]; then
         echo "Could not determine host ip address."
         echo "Either localrc specified dhcp on ${HOST_IP_IFACE} or defaulted to eth0"