diff --git a/sys/drv/vga/include/video.h b/sys/drv/vga/include/video.h
index f3e663e..0dbf628 100644
--- a/sys/drv/vga/include/video.h
+++ b/sys/drv/vga/include/video.h
@@ -5,7 +5,7 @@
 
 #define VGA_SIZE		4000	
 #define	VGA_TEXT_SIZE	2000
-s32 unused =			0;
+s16 unused =			0;
 
 s8 *vga_vidmem =		(s8 *)0xb8000;
 s8 vga_unused =			0;