diff --git a/openssl-ibmca.changes b/openssl-ibmca.changes
index e59a4d7..efe300b 100644
--- a/openssl-ibmca.changes
+++ b/openssl-ibmca.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jan  7 12:34:56 CET 2009 - olh@suse.de
+
+- obsolete old -XXbit packages (bnc#437293)
+
 -------------------------------------------------------------------
 Thu Apr 10 12:54:45 CEST 2008 - ro@suse.de
 
diff --git a/openssl-ibmca.spec b/openssl-ibmca.spec
index 543f33d..4049084 100644
--- a/openssl-ibmca.spec
+++ b/openssl-ibmca.spec
@@ -1,10 +1,17 @@
 #
 # spec file for package openssl-ibmca (Version 1.0.0)
 #
-# 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.
+# 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
+# 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/
 #
 
@@ -15,7 +22,7 @@ Name:           openssl-ibmca
 BuildRequires:  libica openssl-devel
 Summary:        The IBMCA OpenSSL dynamic engine
 Version:        1.0.0
-Release:        103
+Release:        140
 License:        IBM Public License
 Group:          Hardware/Other
 Source:         openssl-ibmca-1.0.0-rc2.tar.bz2
@@ -28,6 +35,11 @@ Url:            http://sourceforge.net/projects/opencryptoki
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 PreReq:         %fillup_prereq %insserv_prereq
 Requires:       openssl libica
+# bug437293
+%ifarch ppc64
+Obsoletes:      openssl-ibmca-64bit
+%endif
+#
 %define ibmca_64bit_arch s390x ppc64
 %define ibmca_32bit_arch %ix86 s390 ppc %arm
 ExclusiveArch:  %ibmca_32bit_arch %ibmca_64bit_arch
@@ -74,6 +86,8 @@ rm ${RPM_BUILD_ROOT}%{_libdir}/engines/libibmca.la
 %{_libdir}/engines/libibmca.*
 
 %changelog
+* Wed Jan 07 2009 olh@suse.de
+- obsolete old -XXbit packages (bnc#437293)
 * Thu Apr 10 2008 ro@suse.de
 - added baselibs.conf file to build xxbit packages
   for multilib support