diff --git a/src/mux_h2.c b/src/mux_h2.c
index 8cceb3e0d..0f545af45 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -3560,7 +3560,7 @@ static struct h2s *h2c_frt_handle_headers(struct h2c *h2c, struct h2s *h2s)
 		/* The stream exists/existed, this must be a trailers frame */
 		if (h2s->st != H2_SS_CLOSED) {
 			if (!h2s_rxbuf_tail(h2s) && !h2s_get_rxbuf(h2s)) {
-				TRACE_USER("Not allowed to get an extra buffer for H2 request trailers", H2_EV_RX_FRAME|H2_EV_RX_HDR|H2_EV_STRM_NEW|H2_EV_STRM_END, h2c->conn, );
+				TRACE_USER("Not allowed to get an extra buffer for H2 request trailers", H2_EV_RX_FRAME|H2_EV_RX_HDR|H2_EV_STRM_NEW|H2_EV_STRM_END, h2c->conn, 0);
 				h2c->flags |= H2_CF_DEM_RXBUF;
 				goto out;
 			}
@@ -3794,7 +3794,7 @@ static struct h2s *h2c_bck_handle_headers(struct h2c *h2c, struct h2s *h2s)
 	}
 
 	if (!h2s_rxbuf_tail(h2s) && !h2s_get_rxbuf(h2s)) {
-		TRACE_USER("Not allowed to get an extra buffer for H2 response HEADERS", H2_EV_RX_FRAME|H2_EV_RX_HDR|H2_EV_STRM_NEW|H2_EV_STRM_END, h2c->conn, );
+		TRACE_USER("Not allowed to get an extra buffer for H2 response HEADERS", H2_EV_RX_FRAME|H2_EV_RX_HDR|H2_EV_STRM_NEW|H2_EV_STRM_END, h2c->conn, 0);
 		h2c->flags |= H2_CF_DEM_RXBUF;
 		goto fail;
 	}
diff --git a/src/quic_frame.c b/src/quic_frame.c
index 1339ca37a..fbcab049a 100644
--- a/src/quic_frame.c
+++ b/src/quic_frame.c
@@ -292,7 +292,7 @@ static int quic_build_ack_frame(unsigned char **pos, const unsigned char *end,
 	ar = eb64_last(&ack_frm->arngs->root);
 	ar_node = eb64_entry(ar, struct quic_arng_node, first);
 	TRACE_PROTO("TX ack range", QUIC_EV_CONN_PRSAFRM,
-	            qc,, &ar_node->last, &ar_node->first.key);
+	            qc, 0, &ar_node->last, &ar_node->first.key);
 	if (!quic_enc_int(pos, end, ar_node->last) ||
 	    !quic_enc_int(pos, end, ack_frm->ack_delay) ||
 	    !quic_enc_int(pos, end, ack_frm->arngs->sz - 1) ||
@@ -301,7 +301,7 @@ static int quic_build_ack_frame(unsigned char **pos, const unsigned char *end,
 
 	while ((prev_ar = eb64_prev(ar))) {
 		prev_ar_node = eb64_entry(prev_ar, struct quic_arng_node, first);
-		TRACE_PROTO("TX ack range", QUIC_EV_CONN_PRSAFRM, qc,,
+		TRACE_PROTO("TX ack range", QUIC_EV_CONN_PRSAFRM, qc, 0,
 		            &prev_ar_node->last, &prev_ar_node->first.key);
 		if (!quic_enc_int(pos, end, ar_node->first.key - prev_ar_node->last - 2) ||
 		    !quic_enc_int(pos, end, prev_ar_node->last - prev_ar_node->first.key))
diff --git a/src/quic_loss.c b/src/quic_loss.c
index e45efabce..bdd052837 100644
--- a/src/quic_loss.c
+++ b/src/quic_loss.c
@@ -44,7 +44,7 @@ void quic_loss_srtt_update(struct quic_loss *ql,
 		ql->srtt = (7 * ql->srtt + rtt) / 8;
 	}
 
-	TRACE_PROTO("TX loss srtt update", QUIC_EV_CONN_RTTUPDT, qc,,, ql);
+	TRACE_PROTO("TX loss srtt update", QUIC_EV_CONN_RTTUPDT, qc, 0, 0, ql);
 	TRACE_LEAVE(QUIC_EV_CONN_RTTUPDT, qc);
 }