diff --git a/SDL_mixer.changes b/SDL_mixer.changes
index 5f5f0fa..25bb11d 100644
--- a/SDL_mixer.changes
+++ b/SDL_mixer.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Oct 30 12:34:56 CET 2008 - olh@suse.de
+
+- obsolete old -XXbit packages (bnc#437293)
+
 -------------------------------------------------------------------
 Sun Jul  6 00:40:19 CEST 2008 - crrodriguez@suse.de
 
diff --git a/SDL_mixer.spec b/SDL_mixer.spec
index 5ae277e..b0bb773 100644
--- a/SDL_mixer.spec
+++ b/SDL_mixer.spec
@@ -2,9 +2,16 @@
 # spec file for package SDL_mixer (Version 1.2.8)
 #
 # Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
-# This file and all modifications and additions to the pristine
-# package are under the same license as the package itself.
 #
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
@@ -15,9 +22,17 @@ Name:           SDL_mixer
 BuildRequires:  SDL-devel libmikmod-devel libogg-devel libvorbis-devel
 Summary:        Sample Mixer Library for SDL
 Version:        1.2.8
-Release:        106
+Release:        152
 License:        LGPL v2.1 or later
 Group:          System/Libraries
+# bug437293
+%ifarch ppc64
+Obsoletes:      SDL_mixer-64bit
+%endif
+%ifarch  %ix86 ppc
+Obsoletes:      SDL_mixer-32bit
+%endif
+#
 Source:         %{name}-%{version}.tar.bz2
 Patch0:         %{name}-%{version}-timidity_cfg.patch
 Patch1:         %{name}-%{version}-64bit-fix.patch
@@ -29,6 +44,14 @@ License:        LGPL v2.1 or later
 Requires:       %{name} = %{version} SDL-devel
 Summary:        Sample Mixer Library for SDL - files mandatory for development
 Group:          Development/Libraries/C and C++
+# bug437293
+%ifarch ppc64
+Obsoletes:      SDL_mixer-devel-64bit
+%endif
+%ifarch  %ix86 ppc
+Obsoletes:      SDL_mixer-devel-32bit
+%endif
+#
 
 %description
 A multichannel audio mixer. It supports four channels of 16-bit stereo
@@ -77,6 +100,8 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/*.so
 
 %changelog
+* Thu Oct 30 2008 olh@suse.de
+- obsolete old -XXbit packages (bnc#437293)
 * Sun Jul 06 2008 crrodriguez@suse.de
 - remove unusable static libraries
 - cleanup BuildRequires and -devel package dependencies