diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index ca644ec53eed..7c8180d8d5ef 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -149,6 +149,12 @@ struct sock *__mptcp_nmpc_sk(struct mptcp_sock *msk)
 
 static void mptcp_drop(struct sock *sk, struct sk_buff *skb)
 {
+	/* The skb forward memory was already transferred to sk by
+	 * mptcp_borrow_fwdmem(), even before setting the destructor.
+	 */
+	if (!skb->destructor)
+		sk_mem_reclaim(sk);
+
 	sk_drops_skbadd(sk, skb);
 	__kfree_skb(skb);
 }