diff --git a/src/quic_tx.c b/src/quic_tx.c
index 4f4551b16..d4529fb1a 100644
--- a/src/quic_tx.c
+++ b/src/quic_tx.c
@@ -1139,6 +1139,8 @@ int qc_prep_hpkts(struct quic_conn *qc, struct buffer *buf, struct list *qels)
 			                       must_ack, padding, probe, cc, &err);
 			switch (err) {
 				case -3:
+					if (first_pkt)
+						qc_txb_store(buf, dglen, first_pkt);
 					qc_purge_tx_buf(qc, buf);
 					goto leave;
 				case -2: