diff --git a/tools/build_ramdisk.sh b/tools/build_ramdisk.sh
index 14224b1..6a168bf 100755
--- a/tools/build_ramdisk.sh
+++ b/tools/build_ramdisk.sh
@@ -45,7 +45,7 @@ if [ ! -d $CHROOTCACHE/natty-dev ]; then
     chroot $CHROOTCACHE/natty-dev groupadd libvirtd
     chroot $CHROOTCACHE/natty-dev useradd stack -s /bin/bash -d $DEST -G libvirtd
     mkdir -p $CHROOTCACHE/natty-dev/$DEST
-    chown stack $CHROOTCACHE/natty-dev/$DEST
+    chroot $CHROOTCACHE/natty-dev chown stack $DEST
 
     # a simple password - pass
     echo stack:pass | chroot $CHROOTCACHE/natty-dev chpasswd
@@ -115,6 +115,10 @@ auto eth0
 iface eth0 inet dhcp
 EOF
 
+# Set hostname
+echo "ramstack" >$CHROOTCACHE/natty-stack/etc/hostname
+echo "127.0.0.1		localhost	ramstack" >$CHROOTCACHE/natty-stack/etc/hosts
+
 # Configure the runner
 RUN_SH=$CHROOTCACHE/natty-stack/$DEST/run.sh
 cat > $RUN_SH <<EOF