--- var/lib/one/remotes/tm/ceph/mkimage.orig	2016-10-13 17:31:28.730546937 +0200
+++ var/lib/one/remotes/tm/ceph/mkimage	2016-10-13 17:33:36.434914020 +0200
@@ -101,7 +101,7 @@
 
     if [ "$FSTYPE" = "swap" ]; then
         $SUDO $RBD map $RBD_SOURCE || exit \$?
-        $SUDO $MKSWAP -L swap $DST
+        $SUDO $MKSWAP -L swap /dev/rbd/$RBD_SOURCE
         $SUDO $RBD unmap /dev/rbd/$RBD_SOURCE
     fi
 EOF