diff --git a/board/lego/ev3/genimage.cfg b/board/lego/ev3/genimage.cfg
index 3da3048d8d..65d9714650 100644
--- a/board/lego/ev3/genimage.cfg
+++ b/board/lego/ev3/genimage.cfg
@@ -16,7 +16,7 @@ image flash.bin {
 	flashtype = "nor-16M-256"
 	partition uboot {
 		image = "u-boot.bin"
-		size = 320K
+		size = 256K
 	}
 	partition uimage {
 		image = "uImage.da850-lego-ev3"