diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index feb8f9e2bb..c51d8ba617 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -145,7 +145,9 @@ static const char *fmt2name[] = {
     [ AUDIO_FORMAT_S32 ] = "PCM-S32",
 };
 
-typedef struct HDAAudioState HDAAudioState;
+#define TYPE_HDA_AUDIO "hda-audio"
+OBJECT_DECLARE_SIMPLE_TYPE(HDAAudioState, HDA_AUDIO)
+
 typedef struct HDAAudioStream HDAAudioStream;
 
 struct HDAAudioStream {
@@ -171,9 +173,6 @@ struct HDAAudioStream {
     int64_t buft_start;
 };
 
-#define TYPE_HDA_AUDIO "hda-audio"
-OBJECT_DECLARE_SIMPLE_TYPE(HDAAudioState, HDA_AUDIO)
-
 struct HDAAudioState {
     HDACodecDevice hda;
     const char *name;