diff -r c65108ddbeb0 src/video/winrt/SDL_winrtpointerinput.cpp
--- a/src/video/winrt/SDL_winrtpointerinput.cpp	Fri Nov 07 10:02:45 2014 +0100
+++ b/src/video/winrt/SDL_winrtpointerinput.cpp	Sun Nov 09 14:27:46 2014 +0000
@@ -226,15 +226,15 @@
     Uint8 button = WINRT_GetSDLButtonForPointerPoint(pointerPoint);
 
     if ( ! WINRT_IsTouchEvent(pointerPoint)) {
-        SDL_SendMouseButton(window, 0, SDL_PRESSED, button);
+        SDL_SendMouseButton(window, (SDL_FingerID)pointerPoint->PointerId, SDL_PRESSED, button);
     } else {
         Windows::Foundation::Point normalizedPoint = WINRT_TransformCursorPosition(window, pointerPoint->Position, NormalizeZeroToOne);
         Windows::Foundation::Point windowPoint = WINRT_TransformCursorPosition(window, pointerPoint->Position, TransformToSDLWindowSize);
 
         if (!WINRT_LeftFingerDown) {
             if (button) {
-                SDL_SendMouseMotion(window, 0, 0, (int)windowPoint.X, (int)windowPoint.Y);
-                SDL_SendMouseButton(window, 0, SDL_PRESSED, button);
+                SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, (int)windowPoint.X, (int)windowPoint.Y);
+                SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_PRESSED, button);
             }
 
             WINRT_LeftFingerDown = pointerPoint->PointerId;