diff --git a/make/images.mk b/make/images.mk
index 6cfe650c..eb1208c0 100644
--- a/make/images.mk
+++ b/make/images.mk
@@ -133,7 +133,7 @@ flash-image-armbox:
 HD51_IMAGE_NAME = disk
 HD51_BOOT_IMAGE = boot.img
 HD51_IMAGE_LINK = $(HD51_IMAGE_NAME).ext4
-HD51_IMAGE_ROOTFS_SIZE = 1048576
+HD51_IMAGE_ROOTFS_SIZE = 294912
 
 # emmc image
 EMMC_IMAGE_SIZE = 3817472
@@ -149,7 +149,7 @@ KERNEL_PARTITION_SIZE = 8192
 ROOTFS_PARTITION_OFFSET = "$(shell expr $(KERNEL_PARTITION_OFFSET) \+ $(KERNEL_PARTITION_SIZE))"
 
 # partition sizes multi
-ROOTFS_PARTITION_SIZE_MULTI = 819200
+ROOTFS_PARTITION_SIZE_MULTI = 1048576
 SECOND_KERNEL_PARTITION_OFFSET = "$(shell expr $(ROOTFS_PARTITION_OFFSET) \+ $(ROOTFS_PARTITION_SIZE_MULTI))"
 THIRD_KERNEL_PARTITION_OFFSET = "$(shell expr $(SECOND_KERNEL_PARTITION_OFFSET) \+ $(KERNEL_PARTITION_SIZE))"
 FOURTH_KERNEL_PARTITION_OFFSET = "$(shell expr $(THIRD_KERNEL_PARTITION_OFFSET) \+ $(KERNEL_PARTITION_SIZE))"