diff --git a/src/modules/module-avb/stream.h b/src/modules/module-avb/stream.h
index 37a5c796c..ede0ece8d 100644
--- a/src/modules/module-avb/stream.h
+++ b/src/modules/module-avb/stream.h
@@ -24,6 +24,7 @@ struct stream {
 	struct server *server;
 
 	uint16_t direction;
+	uint16_t index;
 	uint64_t id;
 
 	struct pw_stream *stream;