diff --git a/meta-zaius/conf/layer.conf b/meta-zaius/conf/layer.conf
index 174f7ef..5131c34 100644
--- a/meta-zaius/conf/layer.conf
+++ b/meta-zaius/conf/layer.conf
@@ -6,5 +6,5 @@
             ${LAYERDIR}/recipes-*/*/*.bbappend"
 
 BBFILE_COLLECTIONS += "zaius"
-BBFILE_PATTERN_zaius = ""
+BBFILE_PATTERN_zaius := "^${LAYERDIR}/"
 LAYERSERIES_COMPAT_zaius = "thud warrior"