diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a95547adff25..d48de687c21f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1809,6 +1809,8 @@ static inline void skb_orphan(struct sk_buff *skb)
 		skb->destructor(skb);
 		skb->destructor = NULL;
 		skb->sk		= NULL;
+	} else {
+		BUG_ON(skb->sk);
 	}
 }