diff --git a/poky/meta/lib/bblayers/create.py b/poky/meta/lib/bblayers/create.py
index 0aeb5d5..c8f3f1b 100644
--- a/poky/meta/lib/bblayers/create.py
+++ b/poky/meta/lib/bblayers/create.py
@@ -53,7 +53,7 @@
         shutil.copy(license_src, license_dst)
 
         # Get the compat value for core layer.
-        compat = self.tinfoil.config_data.getVar('LAYERSERIES_COMPAT_core') or ""
+        compat = self.tinfoil.config_data.getVar('LAYERSERIES_CORENAMES') or ""
 
         # Create the layer.conf from templates/layer.conf
         layerconf_template = read_template('layer.conf').format(