diff -u xscreensaver-5.26/debian/changelog xscreensaver-5.26/debian/changelog
--- xscreensaver-5.26/debian/changelog
+++ xscreensaver-5.26/debian/changelog
@@ -1,3 +1,11 @@
+xscreensaver (5.26-1ubuntu3) utopic; urgency=medium
+
+  * debian/patches/91_replace-gdmflexiserver.patch:
+    - Use dm-tool instead of gdmflexiserver for user-switching,
+      the latter is no longer provided by lightdm (LP: #1320560)
+
+ -- Sean Davis <smd.seandavis@gmail.com>  Tue, 14 Oct 2014 07:07:45 -0400
+
 xscreensaver (5.26-1ubuntu2) utopic; urgency=medium
 
   * debian/control: Fix typo in Repleaces on xscreensaver-data
diff -u xscreensaver-5.26/debian/patches/series xscreensaver-5.26/debian/patches/series
--- xscreensaver-5.26/debian/patches/series
+++ xscreensaver-5.26/debian/patches/series
@@ -25,0 +26 @@
+91_replace-gdmflexiserver.patch
only in patch2:
unchanged:
--- xscreensaver-5.26.orig/debian/patches/91_replace-gdmflexiserver.patch
+++ xscreensaver-5.26/debian/patches/91_replace-gdmflexiserver.patch
@@ -0,0 +1,40 @@
+Description: Replace gdmflexiserver with dm-tool
+ gdmflexiserver is no longer provided by lightdm. Replace it with dm-tool.
+Author: Sean Davis <smd.seandavis@gmail.com>
+Bug-Ubuntu: https://launchpad.net/bugs/1320560
+Last-Update: 2014-09-07
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- a/driver/XScreenSaver.ad.in
++++ b/driver/XScreenSaver.ad.in
+@@ -144,7 +144,7 @@
+ !
+ ! @NEW_LOGIN_COMMAND_P@*newLoginCommand:	@NEW_LOGIN_COMMAND@
+ ! Debian: Hard-wire the command in case the build machine does not have gdm
+-*newLoginCommand:	gdmflexiserver -ls
++*newLoginCommand:	dm-tool switch-to-greeter
+ 
+ 
+ ! Turning on "installColormap" on 8-bit systems interacts erratically with
+--- a/configure
++++ b/configure
+@@ -10938,7 +10938,7 @@
+ ###############################################################################
+ 
+ with_login_manager_req=unspecified
+-default_login_manager_1='gdmflexiserver -ls'
++default_login_manager_1='dm-tool switch-to-greeter'
+ default_login_manager_2='kdmctl reserve'
+ 
+ 
+--- a/configure.in
++++ b/configure.in
+@@ -2391,7 +2391,7 @@
+ ###############################################################################
+ 
+ with_login_manager_req=unspecified
+-default_login_manager_1='gdmflexiserver -ls'
++default_login_manager_1='dm-tool switch-to-greeter'
+ default_login_manager_2='kdmctl reserve'
+ 
+ AC_ARG_WITH(login-manager,