diff --git a/conf/machine/raspberrypi.conf b/conf/machine/raspberrypi.conf
index 72beeb8..df8194c 100644
--- a/conf/machine/raspberrypi.conf
+++ b/conf/machine/raspberrypi.conf
@@ -10,3 +10,5 @@ include conf/machine/include/rpi-base.inc
 SERIAL_CONSOLE = "115200 ttyAMA0"
 
 UBOOT_MACHINE = "rpi_config"
+VC4_CMA_SIZE_raspberrypi ?= "cma-64"
+