--- a/etc/yum.conf	2016-05-12 00:46:34.150899528 +0000
+++ b/etc/yum.conf	2016-05-12 00:46:41.402899294 +0000
@@ -5,6 +5,7 @@
 logfile=/var/log/yum.log
 exactarch=1
 obsoletes=1
+distroverpkg=photon-release
 
 
 # PUT YOUR REPOS HERE OR IN separate files named file.repo