diff --git a/meta-ohos-core/conf/distro/include/x-wic.inc b/meta-ohos-core/conf/distro/include/x-wic.inc
index 05ed8886393efd8596d7927128849406baff9696..c9a0a22765bbb96dd3b09fc83de1db6db1a923db 100644
--- a/meta-ohos-core/conf/distro/include/x-wic.inc
+++ b/meta-ohos-core/conf/distro/include/x-wic.inc
@@ -8,9 +8,10 @@
 
 BOOT_PARTITION_SIZE ?= "512M"
 # The SECO B68 board pulls in almost half a Gigabyte worth of linux-firmware.
-ROOTA_PARTITION_SIZE_seco-intel-b68 ?= "1536M"
-ROOTA_PARTITION_SIZE ?= "1G"
-ROOTB_PARTITION_SIZE ?= "${ROOTA_PARTITION_SIZE}"
+ROOT_PARTITION_SIZE_seco-intel-b68 ?= "1536M"
+ROOT_PARTITION_SIZE ?= "1G"
+ROOTA_PARTITION_SIZE = "${ROOT_PARTITION_SIZE}"
+ROOTB_PARTITION_SIZE = "${ROOT_PARTITION_SIZE}"
 DEVICEDATA_PARTITION_SIZE ?= "8M"
 SYSDATA_PARTITION_SIZE ?= "512M"
 APPDATA_PARTITION_SIZE ?= "1G"