diff --git a/include/trace/skb.h b/include/trace/skb.h
index 3aa8646..a96610f 100644
--- a/include/trace/skb.h
+++ b/include/trace/skb.h
@@ -1,6 +1,9 @@
 #ifndef _TRACE_SKB_H_
 #define _TRACE_SKB_H_
 
+#include <linux/skbuff.h>
+#include <linux/tracepoint.h>
+
 DECLARE_TRACE(kfree_skb,
 	TPPROTO(struct sk_buff *skb, void *location),
 	TPARGS(skb, location));