diff --git a/drivers/video/sandbox_sdl.c b/drivers/video/sandbox_sdl.c
index de8c6609c46..eb321ad17f5 100644
--- a/drivers/video/sandbox_sdl.c
+++ b/drivers/video/sandbox_sdl.c
@@ -43,7 +43,7 @@ static int sandbox_sdl_probe(struct udevice *dev)
 	uc_priv->vidconsole_drv_name = plat->vidconsole_drv_name;
 	uc_priv->font_size = plat->font_size;
 	if (IS_ENABLED(CONFIG_VIDEO_COPY))
-		uc_plat->copy_base = uc_plat->base - uc_plat->size / 2;
+		uc_plat->copy_base = uc_plat->base + uc_plat->size / 2;
 
 	return 0;
 }