diff --git a/spa/plugins/bluez5/a2dp-sink.c b/spa/plugins/bluez5/a2dp-sink.c
index b644cd922..ca10eb744 100644
--- a/spa/plugins/bluez5/a2dp-sink.c
+++ b/spa/plugins/bluez5/a2dp-sink.c
@@ -1526,7 +1526,7 @@ static const struct spa_dict_item info_items[] = {
 
 static const struct spa_dict info = SPA_DICT_INIT_ARRAY(info_items);
 
-struct spa_handle_factory spa_a2dp_sink_factory = {
+const struct spa_handle_factory spa_a2dp_sink_factory = {
 	SPA_VERSION_HANDLE_FACTORY,
 	"api.bluez5.a2dp.sink",
 	&info,
diff --git a/spa/plugins/bluez5/a2dp-source.c b/spa/plugins/bluez5/a2dp-source.c
index 2ba8b91eb..9efbbdcc2 100644
--- a/spa/plugins/bluez5/a2dp-source.c
+++ b/spa/plugins/bluez5/a2dp-source.c
@@ -1224,7 +1224,7 @@ static const struct spa_dict_item info_items[] = {
 
 static const struct spa_dict info = SPA_DICT_INIT_ARRAY(info_items);
 
-struct spa_handle_factory spa_a2dp_source_factory = {
+const struct spa_handle_factory spa_a2dp_source_factory = {
 	SPA_VERSION_HANDLE_FACTORY,
 	"api.bluez5.a2dp.source",
 	&info,
diff --git a/spa/plugins/bluez5/plugin.c b/spa/plugins/bluez5/plugin.c
index c1433bd3b..392416f21 100644
--- a/spa/plugins/bluez5/plugin.c
+++ b/spa/plugins/bluez5/plugin.c
@@ -28,6 +28,9 @@
 #include <spa/support/plugin.h>
 
 extern const struct spa_handle_factory spa_bluez5_monitor_factory;
+extern const struct spa_handle_factory spa_bluez5_device_factory;
+extern const struct spa_handle_factory spa_a2dp_sink_factory;
+extern const struct spa_handle_factory spa_a2dp_source_factory;
 
 SPA_EXPORT
 int spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t *index)
@@ -39,6 +42,15 @@ int spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t
 	case 0:
 		*factory = &spa_bluez5_monitor_factory;
 		break;
+	case 1:
+		*factory = &spa_bluez5_device_factory;
+		break;
+	case 2:
+		*factory = &spa_a2dp_sink_factory;
+		break;
+	case 3:
+		*factory = &spa_a2dp_source_factory;
+		break;
 	default:
 		return 0;
 	}