diff -u /tmp/wine-0.9.45/dlls/dinput/joystick_linux.c ./joystick_linux.c
--- /tmp/wine-0.9.45/dlls/dinput/joystick_linux.c	2007-09-14 19:30:55.000000000 +0200
+++ ./joystick_linux.c	2007-09-20 17:02:15.000000000 +0200
@@ -503,6 +503,7 @@
     for (i = 0; i < newDevice->buttons; i++)
     {
         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
+        df->rgodf[idx].pguid = &GUID_Button; // some games require the GUID to be GUID_Button
         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
     }
     newDevice->base.data_format.wine_df = df;
diff -u /tmp/wine-0.9.45/dlls/dinput/joystick_linuxinput.c ./joystick_linuxinput.c
--- /tmp/wine-0.9.45/dlls/dinput/joystick_linuxinput.c	2007-09-14 19:30:55.000000000 +0200
+++ ./joystick_linuxinput.c	2007-09-20 17:02:15.000000000 +0200
@@ -453,6 +453,7 @@
 
         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
 	newDevice->buttons[i] = 0x80 | newDevice->numButtons;
+	df->rgodf[idx].pguid = &GUID_Button; // some games require the GUID to be GUID_Button
         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
     }
     df->dwNumObjs = idx;