diff --git a/dlls/ddraw/main.c b/dlls/ddraw/main.c index a7e991ed3b683c9f2569bfe0546250ddb13d6ef7..30722e56fa896e6c653bb63e77d50590080ce567 100644 --- a/dlls/ddraw/main.c +++ b/dlls/ddraw/main.c @@ -316,9 +316,11 @@ HRESULT WINAPI DirectDrawCreate( ddraw_drivers[drvindex] = NULL; /* mark this one as unusable */ } - if (IsEqualGUID( &IID_IDirectDraw2, lpGUID ) || - IsEqualGUID( &IID_IDirectDraw4, lpGUID ) || - IsEqualGUID( &IID_IDirectDraw7, lpGUID ) + if (lpGUID && + (IsEqualGUID( &IID_IDirectDraw2, lpGUID ) || + IsEqualGUID( &IID_IDirectDraw4, lpGUID ) || + IsEqualGUID( &IID_IDirectDraw7, lpGUID ) + ) ) { LPVOID x; ret = IDirectDraw_QueryInterface(*lplpDD,lpGUID,&x);