--- etc/common.php.in.orig	2020-09-22 19:52:22 UTC
+++ etc/common.php.in
@@ -12,6 +12,7 @@ date_default_timezone_set('UTC');
 /* Default locations to find RTG configuration file */
 $configs[] = 'rtg.conf';
 $configs[] = '@RTG_HOME@/etc/rtg.conf';
+$configs[] = '%%PREFIX%%/etc/rtg/rtg.conf';
 $configs[] = '/usr/local/rtg/etc/rtg.conf';
 $configs[] = '/etc/rtg.conf';