diff --git a/meta-raspberrypi/conf/machine/raspberrypi4-64.conf b/meta-raspberrypi/conf/machine/raspberrypi4-64.conf
index 4255431..0cf7d51 100644
--- a/meta-raspberrypi/conf/machine/raspberrypi4-64.conf
+++ b/meta-raspberrypi/conf/machine/raspberrypi4-64.conf
@@ -12,6 +12,8 @@
     bluez-firmware-rpidistro-bcm4345c5-hcd \
 "
 
+DEFAULTTUNE = "cortexa72"
+
 require conf/machine/include/arm/armv8a/tune-cortexa72.inc
 include conf/machine/include/rpi-base.inc