diff --git a/gphoto2.spec b/gphoto2.spec
index 1f4387e..9767cb8 100644
--- a/gphoto2.spec
+++ b/gphoto2.spec
@@ -16,6 +16,7 @@ Source3: 90-gphoto-camera-policy.fdi
 Source4: gphoto-set-procperm
 Patch2: gphoto2-gcc4.patch
 Patch3: gphoto2-2.1.99-dbus.patch
+Patch4: gphoto2-2.1.99-canon_segv.patch
 Url: http://www.gphoto.org/
 ExcludeArch: s390 s390x
 PreReq: /sbin/ldconfig, grep, fileutils
@@ -73,6 +74,7 @@ use libgphoto2.
 %setup -q -a 1
 %patch2 -p1 -b .gcc4
 %patch3 -p1 -b .dbus
+%patch4 -p1 -b .segv
 
 ####################################
 %build
@@ -210,6 +212,9 @@ rm -rf "${RPM_BUILD_ROOT}"
 # ChangeLog
 ########################################################################
 %changelog
+* Mon Jan 23 2006 Radek Vokal <rvokal@redhat.com> 2.1.99-4
+- fixed gphoto2 --summary segfault with Canon cameras (#178572)
+
 * Fri Jan 13 2006 Radek Vokal <rvokal@redhat.com> 2.1.99-3
 - export LIBDIR before creating .fdi file