diff -up cups-1.6.3/data/cups.service.in.ypbind cups-1.6.3/data/cups.service.in
--- cups-1.6.3/data/cups.service.in.ypbind 2017-09-15 15:40:12.193292843 +0200
+++ cups-1.6.3/data/cups.service.in 2017-09-15 15:40:46.441010187 +0200
@@ -1,6 +1,6 @@
[Unit]
Description=CUPS Printing Service
-After=network.target
+After=network.target ypbind.service
[Service]
ExecStart=@sbindir@/cupsd -f