--- vice-1.21/src/video.h~	2006-06-11 23:23:36.000000000 +0100
+++ vice-1.21/src/video.h	2007-05-13 17:20:09.000000000 +0100
@@ -78,7 +78,7 @@
 };
 typedef struct cap_render_s cap_render_t;
 
-#define FULLSCREEN_MAXDEV 3
+#define FULLSCREEN_MAXDEV 4
 
 struct cap_fullscreen_s {
     unsigned int device_num;