diff --git a/src/dhcp-manager/nm-dhcp-dhclient.c b/src/dhcp-manager/nm-dhcp-dhclient.c
index 53d6f912d4..0759dbddf0 100644
--- a/src/dhcp-manager/nm-dhcp-dhclient.c
+++ b/src/dhcp-manager/nm-dhcp-dhclient.c
@@ -29,6 +29,8 @@
 #include <unistd.h>
 #include <stdio.h>
 
+#include <config.h>
+
 #include "nm-dhcp-manager.h"
 #include "nm-utils.h"