diff --git a/spa/plugins/audiomixer/audiomixer.c b/spa/plugins/audiomixer/audiomixer.c
index 77d8e1453..abfecad51 100644
--- a/spa/plugins/audiomixer/audiomixer.c
+++ b/spa/plugins/audiomixer/audiomixer.c
@@ -343,7 +343,7 @@ static int port_enum_formats(void *object, struct port *port,
 				SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
 				SPA_FORMAT_mediaType,      SPA_POD_Id(SPA_MEDIA_TYPE_audio),
 				SPA_FORMAT_mediaSubtype,   SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
-				SPA_FORMAT_AUDIO_format,   SPA_POD_CHOICE_ENUM_Int(12,
+				SPA_FORMAT_AUDIO_format,   SPA_POD_CHOICE_ENUM_Id(12,
 								SPA_AUDIO_FORMAT_S8,
 								SPA_AUDIO_FORMAT_U8,
 								SPA_AUDIO_FORMAT_S16,