--- hatari/src/includes/wavFormat.h	2019/04/01 07:10:38	1.1.1.2
+++ hatari/src/includes/wavFormat.h	2019/04/01 07:12:42	1.1.1.3
@@ -12,6 +12,6 @@ extern BOOL bRecordingWav;
 
 extern BOOL WAVFormat_OpenFile(char *pszWavFileName);
 extern void WAVFormat_CloseFile(void);
-extern void WAVFormat_Update(char *pSamples, int Index, int Length);
+extern void WAVFormat_Update(Sint8 *pSamples, int Index, int Length);
 
 #endif