diff --git a/loader/dmo/DMO_AudioDecoder.c b/loader/dmo/DMO_AudioDecoder.c
index 55a597b2d7..37a32f2923 100644
--- a/loader/dmo/DMO_AudioDecoder.c
+++ b/loader/dmo/DMO_AudioDecoder.c
@@ -29,9 +29,9 @@ struct DMO_AudioDecoder
 #include <stdlib.h>
 
 #include "mp_msg.h"
+#include "libmpdemux/aviprint.h"
 
 typedef long STDCALL (*GETCLASS) (GUID*, GUID*, void**);
-void print_wave_header(WAVEFORMATEX *h, int verbose_level);
 
 DMO_AudioDecoder * DMO_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf,int out_channels)
 //DMO_AudioDecoder * DMO_AudioDecoder_Create(const CodecInfo * info, const WAVEFORMATEX* wf)