diff --git a/meta-evb-nuvoton/conf/layer.conf b/meta-evb-nuvoton/conf/layer.conf
index 924e3a7..5a8db75 100644
--- a/meta-evb-nuvoton/conf/layer.conf
+++ b/meta-evb-nuvoton/conf/layer.conf
@@ -3,3 +3,4 @@
 
 BBFILE_COLLECTIONS += "evb-nuvoton"
 BBFILE_PATTERN_evb-nuvoton = ""
+LAYERSERIES_COMPAT_evb-nuvoton = "sumo"
diff --git a/meta-evb-nuvoton/meta-evb-npcm750/conf/layer.conf b/meta-evb-nuvoton/meta-evb-npcm750/conf/layer.conf
index 9ed2757..f5312ef 100644
--- a/meta-evb-nuvoton/meta-evb-npcm750/conf/layer.conf
+++ b/meta-evb-nuvoton/meta-evb-npcm750/conf/layer.conf
@@ -3,3 +3,4 @@
 
 BBFILE_COLLECTIONS += "evb-npcm750"
 BBFILE_PATTERN_evb-npcm750 = ""
+LAYERSERIES_COMPAT_evb-npcm750 = "sumo"