diff --git a/conf/layer.conf b/conf/layer.conf
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -12,3 +12,5 @@
 BBFILE_COLLECTIONS += "kde"
 BBFILE_PATTERN_kde = "^${LAYERDIR}/"
 BBFILE_PRIORITY_kde = "6"
+
+LAYERSERIES_COMPAT_kde = "sumo thud"