diff --git a/meta-romulus/conf/layer.conf b/meta-romulus/conf/layer.conf
index e4859f7..13858d5 100644
--- a/meta-romulus/conf/layer.conf
+++ b/meta-romulus/conf/layer.conf
@@ -6,5 +6,5 @@
             ${LAYERDIR}/recipes-*/*/*.bbappend"
 
 BBFILE_COLLECTIONS += "romulus-layer"
-BBFILE_PATTERN_romulus-layer = ""
+BBFILE_PATTERN_romulus-layer := "^${LAYERDIR}/"
 LAYERSERIES_COMPAT_romulus-layer = "thud warrior"