diff --git a/meta-witherspoon/conf/layer.conf b/meta-witherspoon/conf/layer.conf
index 0ff811e..62b0678 100644
--- a/meta-witherspoon/conf/layer.conf
+++ b/meta-witherspoon/conf/layer.conf
@@ -6,5 +6,5 @@
             ${LAYERDIR}/recipes-*/*/*.bbappend"
 
 BBFILE_COLLECTIONS += "witherspoon-layer"
-BBFILE_PATTERN_witherspoon-layer = ""
+BBFILE_PATTERN_witherspoon-layer := "^${LAYERDIR}/"
 LAYERSERIES_COMPAT_witherspoon-layer = "thud warrior"