diff --git a/libretro-common/include/formats/rwav.h b/libretro-common/include/formats/rwav.h
index 0c7b705d23..5407de832d 100644
--- a/libretro-common/include/formats/rwav.h
+++ b/libretro-common/include/formats/rwav.h
@@ -70,7 +70,7 @@ void rwav_init(rwav_iterator_t* iter, rwav_t* out, const void* buf, size_t size)
  * the rwav_t structure passed to rwav_init is ready to be used. The iterator does not
  * have to be freed.
  */
-int rwav_iterate(rwav_iterator_t *iter);
+enum rwav_state rwav_iterate(rwav_iterator_t *iter);
 
 /**
  * Loads the entire data in one go.