diff --git a/cinder_storage/bootstrap.sh b/cinder_storage/bootstrap.sh
index 831abd0..6593ac0 100755
--- a/cinder_storage/bootstrap.sh
+++ b/cinder_storage/bootstrap.sh
@@ -22,6 +22,6 @@ source /root/admin-openrc.sh
 
 # create a LVM physical volume and volume group.
 # This device should be available tpo the container
-pvcreate /dev/cinder_storage_volume
-vgcreate cinder-volumes /dev/cinder_storage_volume
+pvcreate $CINDER_STORAGE_VOLUME
+vgcreate cinder-volumes $CINDER_STORAGE_VOLUME