diff --git a/libretro-common/audio/audio_mixer.c b/libretro-common/audio/audio_mixer.c
index 7e561b3fe0..c4ff43c356 100644
--- a/libretro-common/audio/audio_mixer.c
+++ b/libretro-common/audio/audio_mixer.c
@@ -45,6 +45,30 @@
 #define AUDIO_MIXER_MAX_VOICES      8
 #define AUDIO_MIXER_TEMP_OGG_BUFFER 8192
 
+struct audio_mixer_sound
+{
+   enum audio_mixer_type type;
+   
+   union
+   {
+      struct
+      {
+         /* wav */
+         unsigned frames;
+         const float* pcm;
+      } wav;
+      
+#ifdef HAVE_STB_VORBIS
+      struct
+      {
+         /* ogg */
+         unsigned size;
+         const void* data;
+      } ogg;
+#endif
+   } types;
+};
+
 struct audio_mixer_voice
 {
    bool     repeat;
diff --git a/libretro-common/include/audio/audio_mixer.h b/libretro-common/include/audio/audio_mixer.h
index c9a332b7c5..d278be866a 100644
--- a/libretro-common/include/audio/audio_mixer.h
+++ b/libretro-common/include/audio/audio_mixer.h
@@ -43,30 +43,6 @@ enum audio_mixer_type
    AUDIO_MIXER_TYPE_OGG
 };
 
-struct audio_mixer_sound
-{
-   enum audio_mixer_type type;
-   
-   union
-   {
-      struct
-      {
-         /* wav */
-         unsigned frames;
-         const float* pcm;
-      } wav;
-      
-#ifdef HAVE_STB_VORBIS
-      struct
-      {
-         /* ogg */
-         unsigned size;
-         const void* data;
-      } ogg;
-#endif
-   } types;
-};
-
 typedef struct audio_mixer_sound audio_mixer_sound_t;
 typedef struct audio_mixer_voice audio_mixer_voice_t;