diff --git a/src/lime/_internal/format/BMP.hx b/src/lime/_internal/format/BMP.hx
index 32a458d74..2f5ec159f 100644
--- a/src/lime/_internal/format/BMP.hx
+++ b/src/lime/_internal/format/BMP.hx
@@ -49,7 +49,7 @@ class BMP {
 
 			case RGB:
 
-				pixelValuesLength = (image.width * 3) + ((image.width * 3) % 4) + (image.height * 3) + (image.height * 3);
+				pixelValuesLength = ((image.width * 3) + ((image.width * 3) % 4)) * image.height;
 
 			default: