diff --git a/meta-raspberrypi/conf/machine/raspberrypi.conf b/meta-raspberrypi/conf/machine/raspberrypi.conf
index e94ad86..b23687b 100644
--- a/meta-raspberrypi/conf/machine/raspberrypi.conf
+++ b/meta-raspberrypi/conf/machine/raspberrypi.conf
@@ -10,3 +10,5 @@
 SERIAL_CONSOLES ?= "115200;ttyAMA0"
 
 UBOOT_MACHINE = "rpi_config"
+
+ARMSTUB ?= "armstub.bin"