diff --git a/spa/plugins/bluez5/a2dp-source.c b/spa/plugins/bluez5/a2dp-source.c
index bb5f47962..5f383242a 100644
--- a/spa/plugins/bluez5/a2dp-source.c
+++ b/spa/plugins/bluez5/a2dp-source.c
@@ -80,6 +80,7 @@ struct port {
 	uint64_t info_all;
 	struct spa_port_info info;
 	struct spa_io_buffers *io;
+	struct spa_io_rate_match *rate_match;
 	struct spa_param_info params[8];
 
 	struct buffer buffers[MAX_BUFFERS];
@@ -780,6 +781,25 @@ impl_node_port_enum_params(void *object, int seq,
 		}
 		break;
 
+	case SPA_PARAM_IO:
+		switch (result.index) {
+		case 0:
+			param = spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_ParamIO, id,
+				SPA_PARAM_IO_id,   SPA_POD_Id(SPA_IO_Buffers),
+				SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_buffers)));
+			break;
+		case 1:
+			param = spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_ParamIO, id,
+				SPA_PARAM_IO_id,   SPA_POD_Id(SPA_IO_RateMatch),
+				SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_rate_match)));
+			break;
+		default:
+			return 0;
+		}
+		break;
+
 	default:
 		return -ENOENT;
 	}
@@ -939,6 +959,9 @@ impl_node_port_set_io(void *object,
 	case SPA_IO_Buffers:
 		port->io = data;
 		break;
+	case SPA_IO_RateMatch:
+		port->rate_match = data;
+		break;
 	default:
 		return -ENOENT;
 	}
@@ -1138,8 +1161,9 @@ impl_init(const struct spa_handle_factory *factory,
 	this->info.flags = SPA_NODE_FLAG_RT;
 	this->params[0] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, SPA_PARAM_INFO_READ);
 	this->params[1] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE);
+	this->params[2] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);
 	this->info.params = this->params;
-	this->info.n_params = 2;
+	this->info.n_params = 3;
 
 	/* set the port info */
 	port = &this->port;