diff --git a/0001-Use-g_unix_signal_add_full-which-has-been-renamed-in.patch b/0001-Use-g_unix_signal_add_full-which-has-been-renamed-in.patch
new file mode 100644
index 0000000..520478a
--- /dev/null
+++ b/0001-Use-g_unix_signal_add_full-which-has-been-renamed-in.patch
@@ -0,0 +1,56 @@
+From 1d6670cdc2ed9a20166fe66410da28df71e43d3f Mon Sep 17 00:00:00 2001
+From: Denis Washington <denisw@online.de>
+Date: Wed, 31 Aug 2011 22:41:20 +0100
+Subject: [PATCH] Use g_unix_signal_add_full() which has been renamed in the
+ unstable GLib branch
+
+Signed-off-by: Richard Hughes <richard@hughsie.com>
+---
+ src/pk-main.c |   16 ++++++++--------
+ 1 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/src/pk-main.c b/src/pk-main.c
+index 12b26f6..45feed9 100644
+--- a/src/pk-main.c
++++ b/src/pk-main.c
+@@ -33,7 +33,7 @@
+ #include <dbus/dbus-glib-lowlevel.h>
+ #include <packagekit-glib2/pk-debug.h>
+ 
+-#if GLIB_CHECK_VERSION(2,29,4)
++#if GLIB_CHECK_VERSION(2,29,19)
+  #include <glib-unix.h>
+ #endif
+ 
+@@ -159,7 +159,7 @@ pk_main_quit_cb (PkEngine *engine, GMainLoop *mainloop)
+ 	g_main_loop_quit (mainloop);
+ }
+ 
+-#if GLIB_CHECK_VERSION(2,29,4)
++#if GLIB_CHECK_VERSION(2,29,19)
+ 
+ /**
+  * pk_main_sigint_cb:
+@@ -271,13 +271,13 @@ main (int argc, char *argv[])
+ 		goto exit_program;
+ 	}
+ 
+-#if GLIB_CHECK_VERSION(2,29,4)
++#if GLIB_CHECK_VERSION(2,29,19)
+ 	/* do stuff on ctrl-c */
+-	g_unix_signal_add_watch_full (SIGINT,
+-				      G_PRIORITY_DEFAULT,
+-				      pk_main_sigint_cb,
+-				      loop,
+-				      NULL);
++	g_unix_signal_add_full (G_PRIORITY_DEFAULT,
++				SIGINT,
++				pk_main_sigint_cb,
++				loop,
++				NULL);
+ #else
+ 	signal (SIGINT, pk_main_sigint_handler);
+ #endif
+-- 
+1.7.6.1
+
diff --git a/PackageKit.spec b/PackageKit.spec
index c4a7877..831518a 100644
--- a/PackageKit.spec
+++ b/PackageKit.spec
@@ -3,7 +3,7 @@
 Summary:   Package management service
 Name:      PackageKit
 Version:   0.6.18
-Release:   1%{?dist}
+Release:   2%{?dist}
 License:   GPLv2+ and LGPLv2+
 URL:       http://www.packagekit.org
 Source0:   http://www.packagekit.org/releases/%{name}-%{version}.tar.xz
@@ -14,6 +14,9 @@ Patch0:    PackageKit-0.3.8-Fedora-Vendor.conf.patch
 # Fedora specific: the yum backend doesn't do time estimation correctly
 Patch1:    PackageKit-0.4.4-Fedora-turn-off-time.conf.patch
 
+# Already upstream, fix a compile failure
+Patch2:    0001-Use-g_unix_signal_add_full-which-has-been-renamed-in.patch
+
 Requires: PackageKit-glib = %{version}-%{release}
 Requires: PackageKit-backend
 Requires: shared-mime-info
@@ -250,6 +253,7 @@ user to restart the computer or remove and re-insert the device.
 %setup -q
 %patch0 -p1 -b .fedora
 %patch1 -p1 -b .no-time
+%patch2 -p1 -b .glib-api-change
 
 %build
 %configure \
@@ -463,6 +467,10 @@ update-mime-database %{_datadir}/mime &> /dev/null || :
 %{_includedir}/PackageKit/backend/*.h
 
 %changelog
+* Fri Sep 09 2011 Richard Hughes  <rhughes@redhat.com> - 0.6.18-2
+- Backport a patch from upstream as glib2 had an API change that
+  affects PackageKit.
+
 * Mon Sep 05 2011 Richard Hughes  <rhughes@redhat.com> - 0.6.18-1
 - New upstream release.
 - Fix a small memory leak in the glib client library