diff --git a/board/businesscard/v1/flash.layout b/board/businesscard/v1/flash.layout
index 5b2d985..56647d0 100644
--- a/board/businesscard/v1/flash.layout
+++ b/board/businesscard/v1/flash.layout
@@ -1,2 +1,2 @@
-00000000:000fffff uboot
-00100000:007fffff rootubi
+00000000:0007ffff uboot
+00080000:007fffff rootubi
diff --git a/board/businesscard/v1/genimage.cfg b/board/businesscard/v1/genimage.cfg
index ebd8317..81eab70 100644
--- a/board/businesscard/v1/genimage.cfg
+++ b/board/businesscard/v1/genimage.cfg
@@ -11,8 +11,7 @@ image flash.bin {
 	flashtype = w25q64
 	partition uboot {
 		image = "u-boot-sunxi-with-spl.bin"
-		#size = 512K
-		size = 1M
+		size = 512K
 	}
 	partition rootubi {
 		image = root.ubi