diff --git a/panda/src/audio/audio.h b/panda/src/audio/audio.h
index 1901589b7a..0e2ba95d6c 100644
--- a/panda/src/audio/audio.h
+++ b/panda/src/audio/audio.h
@@ -16,6 +16,7 @@
 #define __AUDIO_H__
 
 #include "filterProperties.h"
+#include "audioLoadRequest.h"
 #include "audioSound.h"
 #include "audioManager.h"