diff --git a/baselibs.conf b/baselibs.conf
index 2308da0..bfff9f3 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,6 +1,6 @@
 libz1
   targettype x86 provides "baselibs-x86:<prefix>/lib/libz.so.1"
   provides "zlib-<targettype> = <version>"
-  obsoletes "zlib-<targettype>"
+  obsoletes "zlib-<targettype> <= 1.2.7"
 zlib-devel
 zlib-devel-static
diff --git a/zlib.changes b/zlib.changes
index e3cf2da..358e79b 100644
--- a/zlib.changes
+++ b/zlib.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Tue Mar  5 10:00:58 UTC 2013 - mvyskocil@suse.com
 
-- add release to provides/obsolete into baselibs.conf (fixes bnc#806310) 
+- libz1-32bit obsoletes zlib-32bit <= 1.2.7 (fixes bnc#806310)
 
 -------------------------------------------------------------------
 Sat Dec 15 18:56:05 UTC 2012 - schwab@linux-m68k.org