--- rpcbind-0.2.4/systemd/rpcbind.service.in	2016-11-28 21:47:28.000000000 +0100
+++ rpcbind-0.2.4/systemd/rpcbind.service.in.new	2016-12-06 16:18:54.429326613 +0100
@@ -11,6 +11,7 @@
 [Service]
 Type=notify
 # distro can provide a drop-in adding EnvironmentFile=-/??? if needed.
+EnvironmentFile=/etc/conf.d/rpcbind
 ExecStart=@_bindir@/rpcbind $RPCBIND_OPTIONS -w -f
 
 [Install]