diff -up ntp-4.2.6p5/ntpd/ntpdbase-opts.def.multiopts ntp-4.2.6p5/ntpd/ntpdbase-opts.def
--- ntp-4.2.6p5/ntpd/ntpdbase-opts.def.multiopts	2009-12-09 08:36:35.000000000 +0100
+++ ntp-4.2.6p5/ntpd/ntpdbase-opts.def	2012-11-23 14:54:49.132477448 +0100
@@ -259,6 +259,7 @@ flag = {
 flag = {
     name      = pidfile;
     value     = p;
+    max       = 2;
     arg-type  = string;
     descrip   = "path to the PID file";
     doc = <<-  _EndOfDoc_
@@ -355,6 +356,7 @@ flag = {
     ifdef     = HAVE_DROPROOT;
     name      = user;
     value     = u;
+    max       = 2;
     arg-type  = string;
     descrip   = "Run as userid (or userid:groupid)";
     omitted-usage = "built without --enable-clockctl or --enable-linuxcaps";