diff --git a/conf/layer.conf b/conf/layer.conf
index d723c69..5b2daf9 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -11,5 +11,5 @@ BBFILE_COLLECTIONS += "meta-blackfinn"
 BBFILE_PATTERN_meta-blackfinn = "^${LAYERDIR}/"
 BBFILE_PRIORITY_meta-blackfinn = "12"
 
-LAYERSERIES_COMPAT_meta-blackfinn = "gatesgarth dunfell zeus warrior thud sumo rocko"
+LAYERSERIES_COMPAT_meta-blackfinn = "hardknott gatesgarth dunfell zeus warrior thud sumo rocko"