diff --git a/libgnomecanvas.spec b/libgnomecanvas.spec
index d1a7d95..10d9536 100644
--- a/libgnomecanvas.spec
+++ b/libgnomecanvas.spec
@@ -8,7 +8,7 @@
 Summary: GnomeCanvas widget
 Name: libgnomecanvas
 Version: 2.12.0
-Release: 1.1
+Release: 1.2
 URL: http://www.gnome.org/
 Source0: %{name}-%{version}.tar.bz2
 License: LGPL
@@ -48,6 +48,7 @@ Tk canvas widget but has evolved quite a bit over time.
 %build
 #replace shipped libtool files (bug #78045)
 libtoolize -f
+export CFLAGS=$(echo $RPM_OPT_FLAGS |sed -e 's/O2/O1/g')
 %configure --enable-gtk-doc
 export tagname=CC
 make %{?_smp_mflags} LIBTOOL=/usr/bin/libtool
@@ -92,6 +93,9 @@ rm -rf %{buildroot}
 %{_datadir}/gtk-doc
 
 %changelog
+* Tue Dec 13 2005 Jeremy Katz <katzj@redhat.com> - 2.12.0-1.2
+- rebuild with -O1 to workaround (#175669)
+
 * Fri Dec 09 2005 Jesse Keating <jkeating@redhat.com>
 - rebuilt