diff --git a/src/quic_ssl.c b/src/quic_ssl.c
index 9ae5d8159..fe1b5bc12 100644
--- a/src/quic_ssl.c
+++ b/src/quic_ssl.c
@@ -1095,6 +1095,12 @@ int qc_ssl_provide_all_quic_data(struct quic_conn *qc, struct ssl_sock_ctx *ctx)
 /* Simple helper to set the specifig OpenSSL/quictls QUIC API callbacks */
 int quic_ssl_set_tls_cbs(SSL *ssl)
 {
+	struct quic_conn *qc = SSL_get_ex_data(ssl, ssl_qc_app_data_index);
+
+	/* Ignore the TCP connections */
+	if (!qc)
+		return 1;
+
 #ifdef HAVE_OPENSSL_QUIC
 	return SSL_set_quic_tls_cbs(ssl, ha_quic_dispatch, NULL);
 #else