diff --git a/SPECS/ntp.spec b/SPECS/ntp.spec
index c706e7c..52ad9aa 100644
--- a/SPECS/ntp.spec
+++ b/SPECS/ntp.spec
@@ -276,7 +276,7 @@ This package contains NTP documentation in HTML format.
 # pool.ntp.org vendor zone which will be used in ntp.conf
 %if 0%{!?vendorzone:1}
 %{?fedora: %global vendorzone fedora.}
-%{?rhel: %global vendorzone rhel.}
+%{?rhel: %global vendorzone centos.}
 %endif
 
 %prep
@@ -575,6 +575,9 @@ popd
 %{ntpdocdir}/html
 
 %changelog
+* Tue Apr 10 2018 CentOS Sources <bugs@centos.org> - 4.2.6p5-28.el7.centos
+- rebrand vendorzone
+
 * Mon Oct 09 2017 Miroslav Lichvar <mlichvar@redhat.com> 4.2.6p5-28
 - fix buffer overflow in datum refclock driver (CVE-2017-6462)
 - fix crash with invalid unpeer command (CVE-2017-6463)