diff --git a/recipes-kernel/linux/linux-raspberrypi.inc b/recipes-kernel/linux/linux-raspberrypi.inc
index be1883c..4f67d29 100644
--- a/recipes-kernel/linux/linux-raspberrypi.inc
+++ b/recipes-kernel/linux/linux-raspberrypi.inc
@@ -3,7 +3,7 @@ SECTION = "kernel"
 LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
 
-COMPATIBLE_MACHINE = "^rpi$"
+COMPATIBLE_MACHINE ?= "^rpi$"
 
 PE = "1"
 PV = "${LINUX_VERSION}+git${SRCPV}"