diff --git a/lib/images/bitmap.js b/lib/images/bitmap.js
index 299598d..1fc0c98 100644
--- a/lib/images/bitmap.js
+++ b/lib/images/bitmap.js
@@ -133,6 +133,7 @@ wdi.BMP2 = $.spcExtend(wdi.SpiceObject, {
 
 		} else {
 			if (type === wdi.SpiceBitmapFmt.SPICE_BITMAP_FMT_32BIT) {
+				topdown = true;
 				for (pos = 0; pos < size; pos += 4) {
 					b = data[pos];
 					data[pos] = data[pos + 2];