diff --git a/zebra/rt.h b/zebra/rt.h
index 82747d3..8bfe5a4 100644
--- a/zebra/rt.h
+++ b/zebra/rt.h
@@ -25,6 +25,7 @@
 
 #include "prefix.h"
 #include "if.h"
+#include "zebra/rib.h"
 
 extern int kernel_add_ipv4 (struct prefix *, struct rib *);
 extern int kernel_delete_ipv4 (struct prefix *, struct rib *);