diff --git a/src/sound/win32_s.cpp b/src/sound/win32_s.cpp
--- a/src/sound/win32_s.cpp
+++ b/src/sound/win32_s.cpp
@@ -58,7 +58,7 @@ static DWORD WINAPI SoundThread(LPVOID a
 	return 0;
 }
 
-const char *SoundDriver_Win32::Start(const char * const *parm)
+const char *SoundDriver_Win32::Start(const StringList &parm)
 {
 	WAVEFORMATEX wfex;
 	wfex.wFormatTag = WAVE_FORMAT_PCM;