diff --git a/meta-z/conf/layer.conf b/meta-z/conf/layer.conf
index 252db1d..7b54230 100644
--- a/meta-z/conf/layer.conf
+++ b/meta-z/conf/layer.conf
@@ -2,4 +2,4 @@
 BBPATH .= ":${LAYERDIR}"
 
 BBFILE_COLLECTIONS += "ibm-z-layer"
-BBFILE_PATTERN_ibm-z-layer = ""
+BBFILE_PATTERN_ibm-z-layer := "^${LAYERDIR}/"