diff --git a/xscreensaver-5.15-pair-quit-segv.patch b/xscreensaver-5.15-pair-quit-segv.patch
new file mode 100644
index 0000000..eba8702
--- /dev/null
+++ b/xscreensaver-5.15-pair-quit-segv.patch
@@ -0,0 +1,11 @@
+--- xscreensaver-5.15/hacks/screenhack.c.pair	2011-09-29 05:53:31.000000000 +0900
++++ xscreensaver-5.15/hacks/screenhack.c	2012-05-07 13:05:52.207451790 +0900
+@@ -575,7 +575,7 @@
+ 
+ #ifdef DEBUG_PAIR
+   if (window2) ft->free_cb (dpy, window2, closure2);
+-  if (window2) fps_free (fpst2);
++  if (fpst2) fps_free (fpst2);
+ #endif
+ }
+ 
diff --git a/xscreensaver.spec b/xscreensaver.spec
index d18d0be..f46d42c 100644
--- a/xscreensaver.spec
+++ b/xscreensaver.spec
@@ -10,7 +10,7 @@
 %define split_getimage   1
 %endif
 
-%define fedora_rel    5
+%define fedora_rel    6
 
 %undefine extrarel
 
@@ -70,6 +70,8 @@ Patch33:         xscreensaver-5.15-webcollage-chomp-getimagefile.patch
 # Make vidwhacker work correctly when xscreensaver-getimage-file
 # returns relative path (bug 746847)
 Patch34:         xscreensaver-5.15-vidwhacker-with-relative-path.patch
+# With -pair option, quitting hack will cause segv (bug 819349)
+Patch35:         xscreensaver-5.15-pair-quit-segv.patch
 #
 # driver/test-passwd tty segfaults
 Patch41:         xscreensaver-5.12-test-passwd-segv-tty.patch
@@ -266,6 +268,7 @@ This package contains some test programs to debug XScreenSaver.
 %patch32 -p1 -b .dpmsoff_japo
 %patch33 -p1 -b .chomp
 %patch34 -p1 -b .relative
+%patch35 -p1 -b .pair
 %patch41 -p1 -b .test_passwd
 %patch42 -p1 -b .test_misc
 
@@ -794,6 +797,9 @@ exit 0
 %defattr(-,root,root,-)
 
 %changelog
+* Mon May  7 2012 Mamoru Tasaka <mtasaka@fedoraproject.org> - 1:5.15-6
+- Fix segv when quitting hack with -pair option (bug 819349)
+
 * Fri Jan 13 2012 Mamoru Tasaka <mtasaka@fedoraproject.org> - 1:5.15-5
 - F-17: rebuild against fixed rpm (for perl dependency generation)