diff --git a/pym/cl_vars_builder.py b/pym/cl_vars_builder.py
index 48d3536..0f72e51 100644
--- a/pym/cl_vars_builder.py
+++ b/pym/cl_vars_builder.py
@@ -134,3 +134,4 @@ class Data:
     os_root_dev = {}
     os_root_type = {}
     os_scratch = {}
+    cl_chroot_status = {}