diff --git a/include/haproxy/quic_cc-t.h b/include/haproxy/quic_cc-t.h
index 173e0fb68..40ff88909 100644
--- a/include/haproxy/quic_cc-t.h
+++ b/include/haproxy/quic_cc-t.h
@@ -125,8 +125,13 @@ struct quic_cc_path {
 	uint32_t recovery_start_ts;
 };
 
+/* pacing can be optionnaly activated on top of the algorithm */
+#define QUIC_CC_ALGO_FL_OPT_PACING           0x01
+
 struct quic_cc_algo {
 	enum quic_cc_algo_type type;
+	int flags; /* QUIC_CC_ALGO_FL_* */
+
 	int (*init)(struct quic_cc *cc);
 	void (*event)(struct quic_cc *cc, struct quic_cc_event *ev);
 	void (*slow_start)(struct quic_cc *cc);
diff --git a/src/cfgparse-quic.c b/src/cfgparse-quic.c
index 73e252e71..6c56be413 100644
--- a/src/cfgparse-quic.c
+++ b/src/cfgparse-quic.c
@@ -188,7 +188,7 @@ static int bind_parse_quic_cc_algo(char **args, int cur_arg, struct proxy *px,
 			if (burst < 0)
 				goto fail;
 
-			if (cc_algo->type != QUIC_CC_ALGO_TP_CUBIC) {
+			if (!(cc_algo->flags & QUIC_CC_ALGO_FL_OPT_PACING)) {
 				ha_warning("'%s' : burst parameter ignored for '%s' congestion algorithm\n",
 				           args[cur_arg], algo);
 			}
diff --git a/src/quic_cc_cubic.c b/src/quic_cc_cubic.c
index bc9410af9..a1768a151 100644
--- a/src/quic_cc_cubic.c
+++ b/src/quic_cc_cubic.c
@@ -674,6 +674,7 @@ static void quic_cc_cubic_state_cli(struct buffer *buf, const struct quic_cc_pat
 
 struct quic_cc_algo quic_cc_algo_cubic = {
 	.type        = QUIC_CC_ALGO_TP_CUBIC,
+	.flags       = QUIC_CC_ALGO_FL_OPT_PACING,
 	.init        = quic_cc_cubic_init,
 	.event       = quic_cc_cubic_event,
 	.slow_start  = quic_cc_cubic_slow_start,
diff --git a/src/quic_cc_newreno.c b/src/quic_cc_newreno.c
index 4d035b551..ec63bc3e8 100644
--- a/src/quic_cc_newreno.c
+++ b/src/quic_cc_newreno.c
@@ -216,6 +216,7 @@ static void quic_cc_nr_event(struct quic_cc *cc, struct quic_cc_event *ev)
 
 struct quic_cc_algo quic_cc_algo_nr = {
 	.type        = QUIC_CC_ALGO_TP_NEWRENO,
+	.flags       = QUIC_CC_ALGO_FL_OPT_PACING,
 	.init        = quic_cc_nr_init,
 	.event       = quic_cc_nr_event,
 	.slow_start  = quic_cc_nr_slow_start,
diff --git a/src/quic_cc_nocc.c b/src/quic_cc_nocc.c
index 6e5cff96b..b4088521b 100644
--- a/src/quic_cc_nocc.c
+++ b/src/quic_cc_nocc.c
@@ -68,6 +68,7 @@ static void quic_cc_nocc_event(struct quic_cc *cc, struct quic_cc_event *ev)
 
 struct quic_cc_algo quic_cc_algo_nocc = {
 	.type        = QUIC_CC_ALGO_TP_NOCC,
+	.flags       = QUIC_CC_ALGO_FL_OPT_PACING,
 	.init        = quic_cc_nocc_init,
 	.event       = quic_cc_nocc_event,
 	.slow_start  = quic_cc_nocc_slow_start,