diff --git a/post-build-checks.changes b/post-build-checks.changes
index f91c779..e6cd15e 100644
--- a/post-build-checks.changes
+++ b/post-build-checks.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb 20 16:29:33 CET 2014 - ro@suse.de
+
+- test for existence before trying to modify /etc/sysconfig/clock 
+
 -------------------------------------------------------------------
 Tue Feb  4 14:19:50 UTC 2014 - ro@suse.com
 
diff --git a/post-build-checks.spec b/post-build-checks.spec
index c353730..a3d111c 100644
--- a/post-build-checks.spec
+++ b/post-build-checks.spec
@@ -87,7 +87,9 @@ if ! test -e /.buildenv; then
     exit 0
 fi
 sed -i -e "s@^PERMISSION_SECURITY=.*@PERMISSION_SECURITY=\"secure\"@" /etc/sysconfig/security
+if [ -f /etc/sysconfig/clock ] ; then
 sed -i -e "s@^TIMEZONE=.*@TIMEZONE=\"UTC\"@" /etc/sysconfig/clock
+fi
 UNAME=/bin/uname
 if test -f /usr/bin/uname ; then
     UNAME=/usr/bin/uname