--- a/ProjectController.py	Tue Jun 18 14:09:23 2019 +0200
+++ b/ProjectController.py	Tue Jul 09 09:49:30 2019 +0200
@@ -947,7 +947,7 @@
                 # describes CSV columns
                 ProgramsListAttributeName = ["num", "C_path", "type"]
                 VariablesListAttributeName = [
-                    "num", "vartype", "IEC_path", "C_path", "type"]
+                    "num", "vartype", "IEC_path", "C_path", "type", "derived"]
                 self._ProgramList = []
                 self._VariablesList = []
                 self._DbgVariablesList = []