diff --git a/meta-quanta/meta-f0b/conf/machine/f0b.conf b/meta-quanta/meta-f0b/conf/machine/f0b.conf
index af7302a..17a13ca 100644
--- a/meta-quanta/meta-f0b/conf/machine/f0b.conf
+++ b/meta-quanta/meta-f0b/conf/machine/f0b.conf
@@ -1,7 +1,7 @@
 KMACHINE = "aspeed"
 
 # The device tree of F0B is not ready yet, temporarily replace it with aspeed-ast2500-evb.dtb
-KERNEL_DEVICETREE = "${KMACHINE}-ast2500-evb.dtb"
+KERNEL_DEVICETREE = "aspeed/${KMACHINE}-ast2500-evb.dtb"
 
 PREFERRED_PROVIDER_virtual/bootloader = "u-boot-aspeed"
 PREFERRED_PROVIDER_u-boot = "u-boot-aspeed"
diff --git a/meta-quanta/meta-q71l/conf/machine/quanta-q71l.conf b/meta-quanta/meta-q71l/conf/machine/quanta-q71l.conf
index 373e828..e37b622 100644
--- a/meta-quanta/meta-q71l/conf/machine/quanta-q71l.conf
+++ b/meta-quanta/meta-q71l/conf/machine/quanta-q71l.conf
@@ -1,5 +1,5 @@
 KMACHINE = "aspeed"
-KERNEL_DEVICETREE = "${KMACHINE}-bmc-${MACHINE}.dtb"
+KERNEL_DEVICETREE = "aspeed/${KMACHINE}-bmc-${MACHINE}.dtb"
 
 require conf/machine/include/ast2400.inc
 require conf/machine/include/obmc-bsp-common.inc
diff --git a/meta-quanta/meta-s6q/conf/machine/s6q.conf b/meta-quanta/meta-s6q/conf/machine/s6q.conf
index b57652f..aa9948d 100644
--- a/meta-quanta/meta-s6q/conf/machine/s6q.conf
+++ b/meta-quanta/meta-s6q/conf/machine/s6q.conf
@@ -1,6 +1,5 @@
 # KMACHINE = "aspeed"
-# KERNEL_DEVICETREE = "${KMACHINE}-bmc-quanta-${MACHINE}.dtb"
-KERNEL_DEVICETREE = "aspeed-ast2600-evb.dtb"
+KERNEL_DEVICETREE = "aspeed/${KMACHINE}-bmc-quanta-${MACHINE}.dtb"
 
 UBOOT_MACHINE = "ast2600_openbmc_defconfig"
 UBOOT_DEVICETREE = "ast2600a1-evb"