--- hatari/src/includes/audio.h	2019/04/01 07:11:28	1.1.1.5
+++ hatari/src/includes/audio.h	2019/04/01 07:13:04	1.1.1.6
@@ -16,7 +16,7 @@ enum
   FREQ_44Khz
 };
 
-extern int SoundPlayBackFrequencies[];
+extern const int SoundPlayBackFrequencies[];
 extern BOOL bSoundWorking;
 extern int OutputAudioFreqIndex;
 extern int SoundBufferSize;