diff --git a/pym/cl_fill_assemble.py b/pym/cl_fill_assemble.py
index 22b57ad..feef5c6 100644
--- a/pym/cl_fill_assemble.py
+++ b/pym/cl_fill_assemble.py
@@ -496,7 +496,7 @@ class fillVars(object, glob_attr):
         reVerSplit = cl_assemble.reVerSplit
         yield "#!/bin/bash"
         yield "PKG=$1"
-        yield "MASK=`cl-core --method variables_show --only-value install.os_nvidia_mask 2>/dev/null`"
+        yield "MASK=`cl-core --method core_variables_show --only-value install.os_nvidia_mask 2>/dev/null`"
         yield "PORTAGE=/usr/portage"
         yield "OVERLAY=/var/lib/layman/calculate"
         yield "WORLD=/var/lib/portage/world"