diff --git a/0001-launch-appliance-is-optional.patch b/0001-launch-appliance-is-optional.patch
index 6f5351c..28d8aea 100644
--- a/0001-launch-appliance-is-optional.patch
+++ b/0001-launch-appliance-is-optional.patch
@@ -1,6 +1,6 @@
-From f93f1538649d96d1b11eb7a4368aac0496acc2bc Mon Sep 17 00:00:00 2001
+From 7abe52ae73d918b515098842b19cb54888729b72 Mon Sep 17 00:00:00 2001
 From: Olaf Hering <olaf@aepfle.de>
-Date: Mon, 8 Oct 2012 20:10:36 +0200
+Date: Mon, 8 Oct 2012 19:51:38 +0200
 Subject: [PATCH] launch: appliance is optional
 
  # virt-filesystems -v -d 6326ad4e-5805-2ab4-1338-d1dad8c76162 --all
@@ -18,57 +18,24 @@ libguestfs: closing guestfs handle 0x656270 (state 0)
 
 Signed-off-by: Olaf Hering <olaf@aepfle.de>
 ---
- src/launch-libvirt.c |   22 ++++++++++++++--------
- 1 file changed, 14 insertions(+), 8 deletions(-)
+ src/launch-libvirt.c | 4 ++++
+ 1 file changed, 4 insertions(+)
 
 diff --git a/src/launch-libvirt.c b/src/launch-libvirt.c
-index 5b7897d..183008e 100644
+index d678266..5914642 100644
 --- a/src/launch-libvirt.c
 +++ b/src/launch-libvirt.c
-@@ -194,10 +194,13 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri)
+@@ -936,6 +936,10 @@ construct_libvirt_xml_appliance (guestfs_h *g, xmlTextWriterPtr xo,
+   char drive_name[64] = "sd";
+   char scsi_target[64];
  
-   /* Create overlays for read-only drives and the appliance.  This
-    * works around lack of support for <transient/> disks in libvirt.
-+   * Note that appliance can be NULL if using the old-style appliance.
-    */
--  appliance_overlay = make_qcow2_overlay (g, appliance, "raw");
--  if (!appliance_overlay)
--    goto cleanup;
-+  if (appliance) {
-+    appliance_overlay = make_qcow2_overlay (g, appliance, "raw");
-+    if (!appliance_overlay)
-+      goto cleanup;
-+  }
++  /* appliance is optional */
++  if (appliance == NULL)
++     return 0;
++
+   guestfs___drive_name (drv_index, &drive_name[2]);
+   snprintf (scsi_target, sizeof scsi_target, "%zu", drv_index);
  
-   ITER_DRIVES (g, i, drv) {
-     if (make_qcow2_overlay_for_drive (g, drv) == -1)
-@@ -393,7 +396,8 @@ launch_libvirt (guestfs_h *g, const char *libvirt_uri)
-     goto cleanup;
-   }
- 
--  guestfs___add_dummy_appliance_drive (g);
-+  if (appliance)
-+    guestfs___add_dummy_appliance_drive (g);
- 
-   TRACE0 (launch_libvirt_end);
- 
-@@ -739,10 +743,12 @@ construct_libvirt_xml_devices (guestfs_h *g, xmlTextWriterPtr xo,
-       goto err;
-   }
- 
--  /* Appliance disk. */
--  if (construct_libvirt_xml_appliance (g, xo, appliance_overlay,
--                                       appliance_index) == -1)
--    goto err;
-+  if (appliance_overlay) {
-+    /* Appliance disk. */
-+    if (construct_libvirt_xml_appliance (g, xo, appliance_overlay,
-+                                         appliance_index) == -1)
-+      goto err;
-+  }
- 
-   /* Console. */
-   XMLERROR (-1, xmlTextWriterStartElement (xo, BAD_CAST "serial"));
 -- 
-1.7.10.4
+1.7.12.2