diff --git a/image-sixel.c b/image-sixel.c
index cc946cfe..2e6f247d 100644
--- a/image-sixel.c
+++ b/image-sixel.c
@@ -450,11 +450,11 @@ sixel_scale(struct sixel_image *si, u_int xpixel, u_int ypixel, u_int ox,
 
 	new->set_ra = si->set_ra;
 	/* subtract offset */
-	new->ra_x = new->ra_x > pox ? new->ra_x - pox : 0;
-	new->ra_y = new->ra_y > poy ? new->ra_y - poy : 0;
+	new->ra_x = si->ra_x > pox ? si->ra_x - pox : 0;
+	new->ra_y = si->ra_y > poy ? si->ra_y - poy : 0;
 	/* clamp to size */
-	new->ra_x = si->ra_x < psx ? si->ra_x : psx;
-	new->ra_y = si->ra_y < psy ? si->ra_y : psy;
+	new->ra_x = new->ra_x < psx ? new->ra_x : psx;
+	new->ra_y = new->ra_y < psy ? new->ra_y : psy;
 	/* resize */
 	new->ra_x = new->ra_x * xpixel / si->xpixel;
 	new->ra_y = new->ra_y * ypixel / si->ypixel;