diff --git a/projects/Amlogic/bootloader/mkimage b/projects/Amlogic/bootloader/mkimage
index a3bc84b142..fbc1cf5873 100644
--- a/projects/Amlogic/bootloader/mkimage
+++ b/projects/Amlogic/bootloader/mkimage
@@ -5,7 +5,7 @@
 
 mkimage_uboot(){
   echo "image: writing u-boot to $(basename $DISK)"
-  dd if="$INSTALL/usr/share/bootloader/u-boot.bin.sd.bin" of="$DISK" conv=fsync,notrunc bs=1 count=444 >"$SAVE_ERROR" 2>&1 || show_error
+  dd if="$INSTALL/usr/share/bootloader/u-boot.bin.sd.bin" of="$DISK" conv=fsync,notrunc bs=1 count=440 >"$SAVE_ERROR" 2>&1 || show_error
   dd if="$INSTALL/usr/share/bootloader/u-boot.bin.sd.bin" of="$DISK" conv=fsync,notrunc bs=512 skip=1 seek=1 >"$SAVE_ERROR" 2>&1 || show_error
 }