diff --git a/spa/include/spa/param/props.h b/spa/include/spa/param/props.h
index f76792387..257caf707 100644
--- a/spa/include/spa/param/props.h
+++ b/spa/include/spa/param/props.h
@@ -73,6 +73,7 @@ enum spa_prop {
 	SPA_PROP_patternType,
 	SPA_PROP_ditherType,
 	SPA_PROP_truncate,
+	SPA_PROP_channelVolumes,
 
 	SPA_PROP_START_Video	= 0x20000,	/**< video related properties */
 	SPA_PROP_brightness,
diff --git a/spa/include/spa/param/type-info.h b/spa/include/spa/param/type-info.h
index e0ee19bc1..1297cb6ed 100644
--- a/spa/include/spa/param/type-info.h
+++ b/spa/include/spa/param/type-info.h
@@ -83,6 +83,7 @@ static const struct spa_type_info spa_type_props[] = {
 	{ SPA_PROP_patternType, SPA_TYPE_Id, SPA_TYPE_INFO_PROPS_BASE "patternType", NULL },
 	{ SPA_PROP_ditherType, SPA_TYPE_Id, SPA_TYPE_INFO_PROPS_BASE "ditherType", NULL },
 	{ SPA_PROP_truncate, SPA_TYPE_Bool, SPA_TYPE_INFO_PROPS_BASE "truncate", NULL },
+	{ SPA_PROP_channelVolumes, SPA_TYPE_Array, SPA_TYPE_INFO_PROPS_BASE "channelVolumes", NULL },
 
 	{ SPA_PROP_brightness, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "brightness", NULL },
 	{ SPA_PROP_contrast, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "contrast", NULL },