diff --git a/lib/gui/bmp.c b/lib/gui/bmp.c
index 6bf8cd0..dcf3095 100644
--- a/lib/gui/bmp.c
+++ b/lib/gui/bmp.c
@@ -78,8 +78,8 @@
 			image = (char *)bmp +
 					le32_to_cpu(bmp->header.data_offset);
 			image += (img->height - y - 1) * img->width * (bits_per_pixel >> 3);
-			adr = buf + ((y + starty) * sc->s.width + startx) *
-					(sc->info.bits_per_pixel >> 3);
+			adr = buf + (y + starty) * sc->info.line_length +
+					startx * (sc->info.bits_per_pixel >> 3);
 			for (x = 0; x < width; x++) {
 				int pixel;
 
@@ -100,8 +100,8 @@
 			image = (char *)bmp +
 					le32_to_cpu(bmp->header.data_offset);
 			image += (img->height - y - 1) * img->width * (bits_per_pixel >> 3);
-			adr = buf + ((y + starty) * sc->s.width + startx) *
-					(sc->info.bits_per_pixel >> 3);
+			adr = buf + (y + starty) * sc->info.line_length +
+					startx * (sc->info.bits_per_pixel >> 3);
 			for (x = 0; x < width; x++) {
 				char *pixel;