diff --git a/Stub/miniwin.h b/Stub/miniwin.h
index f873623fa..7d8671930 100644
--- a/Stub/miniwin.h
+++ b/Stub/miniwin.h
@@ -378,6 +378,7 @@ typedef struct _WIN32_FIND_DATAA *LPWIN32_FIND_DATAA;
 typedef void *LPOVERLAPPED;
 
 #define OFS_MAXPATHNAME 128
+#define MAX_PATH 260
 
 typedef struct _OFSTRUCT {
 	BYTE cBytes;
@@ -540,7 +541,7 @@ HFILE WINAPI OpenFile(LPCSTR lpFileName, LPOFSTRUCT lpReOpenBuff, UINT uStyle);
 // Total fakes
 //
 typedef struct {
-} SOCKADDR, GUID;
+} SOCKADDR, GUID, *LPGUID;
 
 typedef struct {
 	DWORD cb;
diff --git a/Stub/miniwin_dsound.h b/Stub/miniwin_dsound.h
index a21f722e2..bda043796 100644
--- a/Stub/miniwin_dsound.h
+++ b/Stub/miniwin_dsound.h
@@ -2,7 +2,10 @@
 
 #include "miniwin.h"
 
-typedef void *LPDSBCAPS, *LPDIRECTSOUND, *LPCDSBUFFERDESC;
+typedef void *LPDSBCAPS, *LPCDSBUFFERDESC;
+
+struct IDirectSound;
+typedef IDirectSound *LPDIRECTSOUND;
 
 DECLARE_INTERFACE_(IDirectSoundBuffer, IUnknown)
 {
diff --git a/Stub/sound.cpp b/Stub/sound.cpp
index 32676a3ec..262f87cb1 100644
--- a/Stub/sound.cpp
+++ b/Stub/sound.cpp
@@ -23,7 +23,7 @@ void __cdecl music_stop()
 	DUMMY();
 }
 
-bool __fastcall snd_playing(TSnd *pSnd)
+BOOL __fastcall snd_playing(TSnd *pSnd)
 {
 	UNIMPLEMENTED();
 }
@@ -60,7 +60,7 @@ int __fastcall sound_get_or_set_music_volume(int volume)
 	return volume;
 }
 
-void __fastcall snd_update(bool bStopAll)
+void __fastcall snd_update(BOOL bStopAll)
 {
 	DUMMY_PRINT("stopall: %d", bStopAll);
 }