diff --git a/conf/machine/raspberrypi0.conf b/conf/machine/raspberrypi0.conf
index ccf9ae7..0df9121 100644
--- a/conf/machine/raspberrypi0.conf
+++ b/conf/machine/raspberrypi0.conf
@@ -6,3 +6,5 @@ MACHINEOVERRIDES = "raspberrypi:${MACHINE}"
 include conf/machine/raspberrypi.conf
 
 SERIAL_CONSOLE = "115200 ttyAMA0"
+VC4_CMA_SIZE ?= "cma-128"
+