diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 7bf23cf36b02052396e5c64037ba992f68e47fe7..552fb665645f005d33b7249bf733fb28a3d7092f 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1288,6 +1288,7 @@ static int pipe_skb_send(struct sock *sk, struct sk_buff *skb)
 {
 	struct pep_sock *pn = pep_sk(sk);
 	struct pnpipehdr *ph;
+	int err;
 #ifdef CONFIG_PHONET_PIPECTRLR
 	struct sockaddr_pn spn = {
 		.spn_family = AF_PHONET,
@@ -1314,10 +1315,15 @@ static int pipe_skb_send(struct sock *sk, struct sk_buff *skb)
 		ph->message_id = PNS_PIPE_DATA;
 	ph->pipe_handle = pn->pipe_handle;
 #ifdef CONFIG_PHONET_PIPECTRLR
-	return pn_skb_send(sk, skb, &spn);
+	err = pn_skb_send(sk, skb, &spn);
 #else
-	return pn_skb_send(sk, skb, &pipe_srv);
+	err = pn_skb_send(sk, skb, &pipe_srv);
 #endif
+
+	if (err && pn_flow_safe(pn->tx_fc))
+		atomic_inc(&pn->tx_credits);
+	return err;
+
 }
 
 static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,