diff --git a/0001-Fix-a-alloc-free-mismatch.patch b/0001-Fix-a-alloc-free-mismatch.patch
new file mode 100644
index 0000000..2365479
--- /dev/null
+++ b/0001-Fix-a-alloc-free-mismatch.patch
@@ -0,0 +1,27 @@
+From eb454a1cb4d8ea16f6b5575c69e58c2877ea350e Mon Sep 17 00:00:00 2001
+From: Matthias Clasen <mclasen@redhat.com>
+Date: Sun, 27 Jun 2010 19:27:04 -0400
+Subject: [PATCH] Fix a alloc/free mismatch
+
+Pointed out in http://bugzilla.redhat.com/show_bug.cgi?id=608453
+by David Tardon.
+---
+ glib/gbuffer.c |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/glib/gbuffer.c b/glib/gbuffer.c
+index 4eb83df..5830f04 100644
+--- a/glib/gbuffer.c
++++ b/glib/gbuffer.c
+@@ -138,7 +138,7 @@ g_buffer_free_usernotify (GBuffer *buffer)
+   GUserNotifyBuffer *ubuffer = (GUserNotifyBuffer *) buffer;
+ 
+   ubuffer->user_destroy (ubuffer->user_data);
+-  g_slice_free (GBuffer, buffer);
++  g_slice_free (GUserNotifyBuffer, ubuffer);
+ }
+ 
+ /* < private >
+-- 
+1.7.1
+
diff --git a/glib2.spec b/glib2.spec
index 05f184a..58a0505 100644
--- a/glib2.spec
+++ b/glib2.spec
@@ -3,7 +3,7 @@
 Summary: A library of handy utility functions
 Name: glib2
 Version: 2.25.10
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: LGPLv2+
 Group: System Environment/Libraries
 URL: http://www.gtk.org
@@ -27,6 +27,9 @@ BuildRequires: chrpath
 # required for GIO content-type support
 Requires: shared-mime-info
 
+# upstream fix
+Patch0: 0001-Fix-a-alloc-free-mismatch.patch
+
 %description
 GLib is the low-level core library that forms the basis for projects
 such as GTK+ and GNOME. It provides data structure handling for C,
@@ -53,6 +56,7 @@ The glib2-static package includes static libraries of the GLib library.
 
 %prep
 %setup -q -n glib-%{version}
+%patch0 -p1 -b .free-mismatch
 
 %build
 %configure --disable-gtk-doc \
@@ -157,6 +161,9 @@ gio-querymodules-%{__isa_bits} %{_libdir}/gio/modules
 %{_libdir}/lib*.a
 
 %changelog
+* Sun Jun 27 2010 Matthias Clasen <mclasen@redhat.com> - 2.25.10-2
+- Fix an evince crash
+
 * Sat Jun 26 2010 Matthias Clasen <mclasen@redhat.com> - 2.25.10-1
 - Update to 2.25.10