diff --git a/src/modules/data/soundData.h b/src/modules/data/soundData.h
index f16c4a44..7442c716 100644
--- a/src/modules/data/soundData.h
+++ b/src/modules/data/soundData.h
@@ -6,7 +6,6 @@
 
 struct Blob;
 struct SoundData;
-typedef struct ma_pcm_rb ma_pcm_rb;
 
 typedef uint32_t SoundDataReader(struct SoundData* soundData, uint32_t offset, uint32_t count, void* data);
 
@@ -21,7 +20,7 @@ typedef struct SoundData {
   SoundDataReader* read;
   void* decoder;
   struct Blob* blob;
-  ma_pcm_rb *ring;
+  void *ring;  /* ma_pcm_rb */
   SampleFormat format;
   uint32_t sampleRate;
   uint32_t channels;