diff --git a/conf/layer.conf b/conf/layer.conf
index 22f56a3..b990839 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -5,7 +5,7 @@
             ${LAYERDIR}/recipes-*/*/*.bbappend"
 
 BBFILE_COLLECTIONS += "aspeed-layer"
-BBFILE_PATTERN_aspeed-layer = ""
+BBFILE_PATTERN_aspeed-layer := "^${LAYERDIR}/"
 LAYERVERSION_aspeed-layer = "1"
 LAYERSERIES_COMPAT_aspeed-layer = "thud warrior"