diff --git a/lzo.changes b/lzo.changes
index 84676ac..030dc29 100644
--- a/lzo.changes
+++ b/lzo.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jan  7 12:34:56 CET 2009 - olh@suse.de
+
+- obsolete old -XXbit packages (bnc#437293)
+
 -------------------------------------------------------------------
 Fri Aug 22 15:55:23 CEST 2008 - mrueckert@suse.de
 
diff --git a/lzo.spec b/lzo.spec
index 92e062c..c39cdd9 100644
--- a/lzo.spec
+++ b/lzo.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package lzo (Version 2.03)
 #
-# Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -21,11 +21,16 @@
 Name:           lzo
 Url:            http://www.oberhumer.com/opensource/lzo/
 Version:        2.03
-Release:        2
+Release:        3
 Group:          Development/Libraries/C and C++
 Source:         lzo-%{version}.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  gcc-c++
+# bug437293
+%ifarch ppc64
+Obsoletes:      lzo-64bit
+%endif
+#
 Summary:        A Real-Time Data Compression Library
 License:        GPL v2 only
 
@@ -51,6 +56,11 @@ Group:          Development/Libraries/C and C++
 Summary:        A Real-Time Data Compression Library
 Provides:       lzo = %{version}-%{release}
 Obsoletes:      lzo < %{version}
+# bug437293
+%ifarch ppc64
+Obsoletes:      lzo-64bit
+%endif
+#
 
 %description -n liblzo2-2
 LZO is a portable lossless data compression library written in ANSI C.
@@ -70,6 +80,11 @@ License:        GPL v2 only
 Group:          Development/Languages/C and C++
 Requires:       %{library_package} = %{version}
 Summary:        Development files for lzo
+# bug437293
+%ifarch ppc64
+Obsoletes:      lzo-devel-64bit
+%endif
+#
 
 %description devel
 LZO is a portable lossless data compression library written in ANSI C.
@@ -122,6 +137,8 @@ Authors:
 %_includedir/lzo
 
 %changelog
+* Wed Jan 07 2009 olh@suse.de
+- obsolete old -XXbit packages (bnc#437293)
 * Fri Aug 22 2008 mrueckert@suse.de
 - update to 2.03
   featuring major speedups for 64-bit architectures like AMD64,