diff --git a/providers/virtualbox/tasks/boot.py b/providers/virtualbox/tasks/boot.py
index 97e9367..928e999 100644
--- a/providers/virtualbox/tasks/boot.py
+++ b/providers/virtualbox/tasks/boot.py
@@ -35,6 +35,6 @@ class ConfigureGrub(Task):
 		log_check_call(['/usr/sbin/chroot', info.root, 'update-initramfs', '-u'])
 		log_check_call(['grub-install',
 		                '--boot-directory='+info.root+"/boot/",
-		                info.bootstrap_device['partitions']['root_path']])
+		                info.bootstrap_device['path']])
 
 		log_check_call(['/usr/sbin/chroot', info.root, '/usr/sbin/update-grub'])