diff --git a/drivers/video/savage/savagefb-i2c.c b/drivers/video/savage/savagefb-i2c.c
index b16e6138fdd46a971ee20c542a65a32a634bf0c4..58c8a3ce33c53825e4e8565e24b9f2dc11ef7273 100644
--- a/drivers/video/savage/savagefb-i2c.c
+++ b/drivers/video/savage/savagefb-i2c.c
@@ -191,7 +191,7 @@ void savagefb_create_i2c_busses(struct fb_info *info)
 		par->chan.algo.getscl = prosavage_gpio_getscl;
 		break;
 	case FB_ACCEL_SAVAGE2000:
-		par->chan.reg         = 0xff20;
+		par->chan.reg         = MM_SERIAL1;
 		par->chan.ioaddr      = par->mmio.vbase;
 		par->chan.algo.setsda = savage4_gpio_setsda;
 		par->chan.algo.setscl = savage4_gpio_setscl;