diff --git a/sc2/src/libs/sound/audiocore.h b/sc2/src/libs/sound/audiocore.h
index fcb2349bb..48c8b940f 100644
--- a/sc2/src/libs/sound/audiocore.h
+++ b/sc2/src/libs/sound/audiocore.h
@@ -39,7 +39,7 @@ enum
 
 
 /* Interface Types */
-typedef intptr_t audio_Object;
+typedef uintptr_t audio_Object;
 typedef intptr_t audio_IntVal;
 typedef const sint32 audio_SourceProp;
 typedef const sint32 audio_BufferProp;