diff --git a/sys/netinet/ip_var.h b/sys/netinet/ip_var.h index 4efb58930d5d..e1f8465cbcfc 100644 --- a/sys/netinet/ip_var.h +++ b/sys/netinet/ip_var.h @@ -39,6 +39,10 @@ #include +#ifdef _KERNEL +#include +#endif + /* * Overlay for ip header used by other protocols (tcp, udp). */