diff -Nru update-manager-0.196.12/debian/changelog update-manager-0.196.13/debian/changelog
--- update-manager-0.196.12/debian/changelog	2014-04-24 12:59:13.000000000 +0000
+++ update-manager-0.196.13/debian/changelog	2015-04-14 21:19:31.000000000 +0000
@@ -1,3 +1,10 @@
+update-manager (1:0.196.13) trusty-proposed; urgency=medium
+
+  * UpdateManager/Dialogs.py: set the focus to "Restart Later" instead of
+    "Restart Now", so people don't accidentally reboot. (LP: #1421044)
+
+ -- Brian Murray <brian@ubuntu.com>  Tue, 14 Apr 2015 14:18:36 -0700
+
 update-manager (1:0.196.12) trusty-proposed; urgency=low
 
   * use Gtk.init() to ensure update-manager fails with a
diff -Nru update-manager-0.196.12/UpdateManager/Dialogs.py update-manager-0.196.13/UpdateManager/Dialogs.py
--- update-manager-0.196.12/UpdateManager/Dialogs.py	2014-04-15 06:40:05.000000000 +0000
+++ update-manager-0.196.13/UpdateManager/Dialogs.py	2015-04-14 21:17:56.000000000 +0000
@@ -278,8 +278,9 @@
         self.set_header(
             _("The computer needs to restart to finish installing updates."))
         self.add_settings_button()
-        self.add_button(_("Restart _Later"), self.window_main.close)
-        self.focus_button = self.add_button(_("_Restart Now…"), self.restart)
+        self.focus_button = self.add_button(_("Restart _Later"),
+                                            self.window_main.close)
+        self.add_button(_("_Restart Now…"), self.restart)
 
     def start(self):
         Dialog.start(self)