--- src/bin/perfdhcp/command_options.cc	2016-09-27 12:32:02.000000000 +0200
+++ src/bin/perfdhcp/command_options.cc	2016-12-07 12:19:55.784883734 +0100
@@ -7,6 +7,7 @@
 #include <config.h>
 
 #include "command_options.h"
+#include <getopt.h>
 #include <exceptions/exceptions.h>
 #include <dhcp/iface_mgr.h>
 #include <dhcp/duid.h>