diff --git a/meta-yocto/conf/bblayers.conf.sample b/meta-yocto/conf/bblayers.conf.sample
index 2df038c7da..7897750320 100644
--- a/meta-yocto/conf/bblayers.conf.sample
+++ b/meta-yocto/conf/bblayers.conf.sample
@@ -3,7 +3,7 @@
 LCONF_VERSION = "4"
 
 BBFILES ?= ""
-BBLAYERS = " \
+BBLAYERS ?= " \
   ##COREBASE##/meta \
   ##COREBASE##/meta-yocto \
   "