diff --git a/net/dhcpv6.c b/net/dhcpv6.c
index 54619ee..4aea779 100644
--- a/net/dhcpv6.c
+++ b/net/dhcpv6.c
@@ -7,6 +7,7 @@
 
 /* Simple DHCP6 network layer implementation. */
 
+#include <common.h>
 #include <net6.h>
 #include <malloc.h>
 #include <linux/delay.h>