diff --git a/unbox.sh b/unbox.sh
index afd735f..fb4222a 100755
--- a/unbox.sh
+++ b/unbox.sh
@@ -68,7 +68,10 @@ function unbox_outer_stage(){
 
 	mkdir -p target/root/unbox
 	mount -o bind . target/root/unbox
+	mkdir -p target/root/unbox_data
+	mount -o bind /data target/root/unbox_data
 	$CHROOT target /root/unbox/unbox.sh unbox_inner_stage
+	umount target/root/unbox target/root/unbox_data
 	
 	if type -t post_install_stage > /dev/null; then
 		post_install_stage