diff --git a/meta-raspberrypi/conf/machine/raspberrypi3-64.conf b/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
index 95475f3..573b079 100644
--- a/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
+++ b/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
@@ -21,16 +21,15 @@
     broadcom/bcm2710-rpi-cm3.dtb \
     "
 
-SERIAL_CONSOLES ?= "115200;ttyS0"
-
-UBOOT_MACHINE = "rpi_arm64_config"
-
+SDIMG_KERNELIMAGE ?= "kernel8.img"
 # When u-boot is enabled we need to use the "Image" format and the "booti"
 # command to load the kernel
 KERNEL_IMAGETYPE_UBOOT ?= "Image"
 # "zImage" not supported on arm64 and ".gz" images not supported by bootloader yet
 KERNEL_IMAGETYPE_DIRECT ?= "Image"
 KERNEL_BOOTCMD ?= "booti"
+UBOOT_MACHINE = "rpi_arm64_config"
+SERIAL_CONSOLES ?= "115200;ttyS0"
 
 VC4DTBO ?= "vc4-fkms-v3d"
 ARMSTUB ?= "armstub8.bin"