diff --git a/conf/layer.conf b/conf/layer.conf
index 708b948..02483ab 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -6,7 +6,7 @@ BBFILES := "${BBFILES} ${LAYERDIR}/recipes-*/*/*.bb \
             ${LAYERDIR}/recipes-*/*/*/*.bb \
             ${LAYERDIR}/recipes-*/*/*.bbappend"
 
-BBFILE_COLLECTION += "wolfssl"
+BBFILE_COLLECTIONS += "wolfssl"
 BBFILE_PATTERN_wolfssl := "^${LAYERDIR}/"
 BBFILE_PRIORITY_wolfssl = "5"