diff --git a/chrony.changes b/chrony.changes
index 4ee91f6..1a5b264 100644
--- a/chrony.changes
+++ b/chrony.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Nov 26 10:45:06 UTC 2015 - mrueckert@suse.de
+
+- silence groupadd/useradd call and drop the shell from the user.
+
 -------------------------------------------------------------------
 Thu Nov 26 01:13:52 UTC 2015 - mrueckert@suse.de
 
diff --git a/chrony.spec b/chrony.spec
index 9cb8ed8..76b0ee6 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -152,8 +152,8 @@ touch %{buildroot}%{_localstatedir}/lib/chrony/{drift,rtc}
 rm -rf %{buildroot}
 
 %pre
-/usr/sbin/groupadd -r chrony || :
-/usr/sbin/useradd -r -g chrony -c "Chrony Daemon" -d "%{_localstatedir}/lib/chrony" chrony || :
+/usr/sbin/groupadd -r chrony >/dev/null 2>&1 || :
+/usr/sbin/useradd -g chrony -s /bin/false -r -c "Chrony Daemon" -d "%{_localstatedir}/lib/chrony" chrony >/dev/null 2>&1 || :
 # START BIG SYSTEMD
 %if %{with systemd}
 %service_add_pre chronyd.service chrony-wait.service