diff --git a/conf/layer.conf b/conf/layer.conf
index 7626894..aa3174a 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -9,7 +9,7 @@ BBFILE_COLLECTIONS += "raspberrypi"
 BBFILE_PATTERN_raspberrypi := "^${LAYERDIR}/"
 BBFILE_PRIORITY_raspberrypi = "9"
 
-LAYERSERIES_COMPAT_raspberrypi = "gatesgarth"
+LAYERSERIES_COMPAT_raspberrypi = "gatesgarth hardknott"
 
 # Additional license directories.
 LICENSE_PATH += "${LAYERDIR}/files/custom-licenses"