diff --git a/sys/drv/vga/include/video.h b/sys/drv/vga/include/video.h
index 4d5c948..9cc28b1 100644
--- a/sys/drv/vga/include/video.h
+++ b/sys/drv/vga/include/video.h
@@ -4,6 +4,7 @@
 #include <types.h>
 
 #define VGA_SIZE		4000	
+s32 unused =			0;
 
 s8 *vga_vidmem =		(s8 *)0xb8000;
 s8 vga_unused =			0;