diff --git a/src/modules/module-client-node/remote-node.c b/src/modules/module-client-node/remote-node.c
index 6d1a345ae..3e261d7e3 100644
--- a/src/modules/module-client-node/remote-node.c
+++ b/src/modules/module-client-node/remote-node.c
@@ -797,7 +797,7 @@ client_node_port_set_io(void *object,
 	}
 
 	if ((res = spa_node_port_set_io(mix->port->mix,
-			     direction, mix_id, id, ptr, size)) < 0) {
+			     direction, mix->mix.port.port_id, id, ptr, size)) < 0) {
 		if (res == -ENOTSUP)
 			res = 0;
 		else