diff --git a/spa/plugins/audioconvert/audioconvert.c b/spa/plugins/audioconvert/audioconvert.c
index 49e7fee13..bbf547970 100644
--- a/spa/plugins/audioconvert/audioconvert.c
+++ b/spa/plugins/audioconvert/audioconvert.c
@@ -729,13 +729,20 @@ static int reconfigure_mode(struct impl *this, enum spa_param_port_config_mode m
 		spa_pod_builder_init(&b, buffer, sizeof(buffer));
 
 		param = spa_format_audio_raw_build(&b, SPA_PARAM_Format, &info->info.raw);
-		param = spa_pod_builder_add_object(&b,
-			SPA_TYPE_OBJECT_ParamPortConfig, SPA_PARAM_PortConfig,
-			SPA_PARAM_PORT_CONFIG_direction,	SPA_POD_Id(direction),
-			SPA_PARAM_PORT_CONFIG_mode,		SPA_POD_Id(SPA_PARAM_PORT_CONFIG_MODE_dsp),
-			SPA_PARAM_PORT_CONFIG_monitor,		SPA_POD_Bool(monitor),
-			SPA_PARAM_PORT_CONFIG_format,		SPA_POD_Pod(param));
-		res = spa_node_set_param(this->fmt[direction], SPA_PARAM_PortConfig, 0, param);
+
+		if (mode == SPA_PARAM_PORT_CONFIG_MODE_dsp) {
+			param = spa_pod_builder_add_object(&b,
+				SPA_TYPE_OBJECT_ParamPortConfig, SPA_PARAM_PortConfig,
+				SPA_PARAM_PORT_CONFIG_direction,	SPA_POD_Id(direction),
+				SPA_PARAM_PORT_CONFIG_mode,		SPA_POD_Id(SPA_PARAM_PORT_CONFIG_MODE_dsp),
+				SPA_PARAM_PORT_CONFIG_monitor,		SPA_POD_Bool(monitor),
+				SPA_PARAM_PORT_CONFIG_format,		SPA_POD_Pod(param));
+			res = spa_node_set_param(this->fmt[direction], SPA_PARAM_PortConfig, 0, param);
+		} else {
+			res = spa_node_port_set_param(this->fmt[direction], direction, 0,
+				SPA_PARAM_Format, 0, param);
+		}
+
 		if (res < 0)
 			return res;
 
diff --git a/spa/plugins/audioconvert/fmtconvert.c b/spa/plugins/audioconvert/fmtconvert.c
index 34935535b..3ab852df2 100644
--- a/spa/plugins/audioconvert/fmtconvert.c
+++ b/spa/plugins/audioconvert/fmtconvert.c
@@ -696,6 +696,7 @@ static int port_set_format(void *object,
 		port->params[PORT_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
 		port->params[PORT_Buffers] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
 	}
+	port->info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
 	emit_port_info(this, port, false);
 	return 0;
 }
@@ -1029,7 +1030,8 @@ static int init_port(struct impl *this, enum spa_direction direction, uint32_t p
 	port->id = port_id;
 
 	spa_list_init(&port->queue);
-	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS;
+	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
+		SPA_PORT_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
 	port->info.flags = SPA_PORT_FLAG_NO_REF |
 		SPA_PORT_FLAG_DYNAMIC_DATA;