diff --git a/drivers/video/fb.c b/drivers/video/fb.c
index aad0e1f..ba34b9c 100644
--- a/drivers/video/fb.c
+++ b/drivers/video/fb.c
@@ -79,6 +79,8 @@
 
 	ret = info->fbops->fb_activate_var(info);
 
+	dev->map_base = (unsigned long)info->screen_base;
+
 	if (ret == 0)
 		dev_param_set_generic(dev, param, val);