diff -up rpcbind-0.2.3/systemd/rpcbind.service.in.orig rpcbind-0.2.3/systemd/rpcbind.service.in
--- rpcbind-0.2.3/systemd/rpcbind.service.in.orig	2016-11-07 14:45:17.440658739 -0500
+++ rpcbind-0.2.3/systemd/rpcbind.service.in	2016-11-07 14:46:50.968844715 -0500
@@ -10,7 +10,7 @@ After=rpcbind.socket
 
 [Service]
 Type=notify
-# distro can provide a drop-in adding EnvironmentFile=-/??? if needed.
+EnvironmentFile=/etc/sysconfig/rpcbind
 ExecStart=@_bindir@/rpcbind $RPCBIND_OPTIONS -w -f
 
 [Install]