diff --git a/install.sh b/install.sh
index 1f8ab63..14b68ac 100755
--- a/install.sh
+++ b/install.sh
@@ -731,6 +731,9 @@ stage3_prepare() {
 	# mount tmpfs
 	mount -t tmpfs mid /d2a/mid
 
+	# make sure busybox is installed
+	apt-get -yqq install busybox
+
 	# add binaries
 	add_binary_to_mid /bin/busybox
 	add_binary_to_mid /bin/bash