diff --git a/tools/pa-stdout.c b/tools/pa-stdout.c
index 3212893..0eb7ab5 100644
--- a/tools/pa-stdout.c
+++ b/tools/pa-stdout.c
@@ -144,11 +144,11 @@ typedef int PaStreamCallback(
 
 // prototypes ( __cdecl -> WINAPIV* , __stdcall -> WINAPI*)
 
-typedef int (WINAPI* t_Pa_Initialize)(void);
-typedef int (WINAPI* t_Pa_GetDefaultInputDevice)(void);
-typedef int (WINAPI* t_Pa_GetDeviceCount)(void);
+typedef int (WINAPIV* t_Pa_Initialize)(void);
+typedef int (WINAPIV* t_Pa_GetDefaultInputDevice)(void);
+typedef int (WINAPIV* t_Pa_GetDeviceCount)(void);
 
-typedef PaDeviceInfo* (WINAPI* t_Pa_GetDeviceInfo)(PaDeviceIndex device);
+typedef PaDeviceInfo* (WINAPIV* t_Pa_GetDeviceInfo)(PaDeviceIndex device);
 
 t_Pa_Initialize             Pa_Initialize;
 t_Pa_GetDefaultInputDevice  Pa_GetDefaultInputDevice;
@@ -156,13 +156,13 @@ t_Pa_GetDeviceCount         Pa_GetDeviceCount;
 t_Pa_GetDeviceInfo          Pa_GetDeviceInfo;
 
 
-typedef int   (WINAPI* t_Pa_OpenStream)(PaStream**,PaStreamParameters*,PaStreamParameters*,double,
+typedef int   (WINAPIV* t_Pa_OpenStream)(PaStream**,PaStreamParameters*,PaStreamParameters*,double,
                                         unsigned long,PaStreamFlags,PaStreamCallback*,void*);
-typedef int   (WINAPI* t_Pa_StartStream)(PaStream *);
-typedef int   (WINAPI* t_Pa_ReadStream)(PaStream*,void *,unsigned long);
-typedef int   (WINAPI* t_Pa_CloseStream)(PaStream*);
-typedef int   (WINAPI* t_Pa_Terminate)(void);
-typedef char* (WINAPI* t_Pa_GetErrorText)(PaError);
+typedef int   (WINAPIV* t_Pa_StartStream)(PaStream *);
+typedef int   (WINAPIV* t_Pa_ReadStream)(PaStream*,void *,unsigned long);
+typedef int   (WINAPIV* t_Pa_CloseStream)(PaStream*);
+typedef int   (WINAPIV* t_Pa_Terminate)(void);
+typedef char* (WINAPIV* t_Pa_GetErrorText)(PaError);
 
 t_Pa_OpenStream     Pa_OpenStream;
 t_Pa_StartStream    Pa_StartStream;