diff --git a/tcl.changes b/tcl.changes
index 9b3a20e..fe0c7c4 100644
--- a/tcl.changes
+++ b/tcl.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jan  7 12:34:56 CET 2009 - olh@suse.de
+
+- obsolete old -XXbit packages (bnc#437293)
+
 -------------------------------------------------------------------
 Wed Oct 15 16:24:22 CEST 2008 - max@suse.de
 
diff --git a/tcl.spec b/tcl.spec
index 5707b7c..71b3448 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package tcl (Version 8.5.5)
 #
-# 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
@@ -21,13 +21,18 @@
 Name:           tcl
 Url:            http://www.tcl.tk
 Version:        8.5.5
-Release:        1
+Release:        2
 %define TCL_MINOR %(echo %version | cut -c1-3)
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Summary:        The Tcl Programming Language
 License:        BSD 3-Clause
 Group:          Development/Languages/Tcl
 AutoReqProv:    on
+# bug437293
+%ifarch ppc64
+Obsoletes:      tcl-64bit
+%endif
+#
 Provides:       tclsh tclsh%{TCL_MINOR}
 PreReq:         /bin/rm
 Source0:        %name%{version}-src.tar.bz2
@@ -58,6 +63,11 @@ Group:          Development/Libraries/Tcl
 License:        BSD 3-Clause
 Summary:        Header Files and C API Documentation for Tcl
 Requires:       tcl = %version
+# bug437293
+%ifarch ppc64
+Obsoletes:      tcl-devel-64bit
+%endif
+#
 
 %description devel
 This package contains header files and documentation needed for writing
@@ -152,6 +162,8 @@ exit 0
 %_libdir/tclConfig.sh
 
 %changelog
+* Wed Jan 07 2009 olh@suse.de
+- obsolete old -XXbit packages (bnc#437293)
 * Wed Oct 15 2008 max@suse.de
 - Bugfix release 8.5.5:
   * Prevent overflow crash in [lrepeat].
@@ -527,7 +539,7 @@ exit 0
 * Fri Jan 15 1999 max@suse.de
 - fixed path bug with applications linked against libtk which do
   not reside in /usr/X11R6
-* Thu Nov 26 1998 max@suse.de
+* Wed Nov 25 1998 max@suse.de
 - corrected some paths in tix to make it find its init script
   and libraries correctly
 * Tue Nov 24 1998 max@suse.de