diff --git a/lib/zebra.h b/lib/zebra.h
index 150aa2c..2716460 100644
--- a/lib/zebra.h
+++ b/lib/zebra.h
@@ -162,6 +162,8 @@
 #ifdef HAVE_NETLINK
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
+#include <linux/filter.h>
+#include <stddef.h>
 #else
 #define RT_TABLE_MAIN		0
 #endif /* HAVE_NETLINK */