diff --git a/src/mux_quic.c b/src/mux_quic.c
index 9326dc819..2156730cf 100644
--- a/src/mux_quic.c
+++ b/src/mux_quic.c
@@ -395,7 +395,6 @@ static int qc_init(struct connection *conn, struct proxy *prx,
 
 	qcc->conn = conn;
 	conn->ctx = qcc;
-	conn->qc->qcc = qcc;
 
 	qcc->app_ops = NULL;
 
@@ -441,6 +440,7 @@ static int qc_init(struct connection *conn, struct proxy *prx,
 	qcc->wait_event.tasklet->process = qc_io_cb;
 	qcc->wait_event.tasklet->context = qcc;
 
+	HA_ATOMIC_STORE(&conn->qc->qcc, qcc);
 	/* init read cycle */
 	tasklet_wakeup(qcc->wait_event.tasklet);
 
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 4d0f75246..094bb64c9 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -4456,7 +4456,7 @@ static ssize_t qc_lstnr_pkt_rcv(unsigned char *buf, const unsigned char *end,
 	 * initialized.
 	 */
 	conn_ctx = HA_ATOMIC_LOAD(&qc->xprt_ctx);
-	if (conn_ctx && conn_ctx->wait_event.tasklet)
+	if (conn_ctx && HA_ATOMIC_LOAD(&qc->qcc))
 		tasklet_wakeup(conn_ctx->wait_event.tasklet);
 
 	TRACE_LEAVE(QUIC_EV_CONN_LPKT, qc ? qc : NULL, pkt);