diff --git a/src/pipewire/impl-port.c b/src/pipewire/impl-port.c
index a03897abc..25d3f3f09 100644
--- a/src/pipewire/impl-port.c
+++ b/src/pipewire/impl-port.c
@@ -690,7 +690,7 @@ int pw_impl_port_set_mix(struct pw_impl_port *port, struct spa_node *node, uint3
 	port->mix_flags = flags;
 	port->mix = node;
 
-	if (port->mix) {
+	if (port->mix && !port->destroying) {
 		spa_list_for_each(mix, &port->mix_list, link)
 			spa_node_add_port(port->mix, mix->port.direction, mix->port.port_id, NULL);