diff -r da5f1fa46f2b -r fb73a6b6622d controls/PouInstanceVariablesPanel.py
--- a/controls/PouInstanceVariablesPanel.py	Thu Oct 19 10:57:35 2017 +0300
+++ b/controls/PouInstanceVariablesPanel.py	Thu Oct 19 11:03:03 2017 +0300
@@ -419,8 +419,8 @@
                     if item_infos.var_class == ITEM_RESOURCE:
                         if instance_path != "":
                             tagname = self.Controller.ComputeConfigurationResourceName(
-                                           instance_path,
-                                           item_infos.name)
+                                instance_path,
+                                item_infos.name)
                         else:
                             tagname = None
                     else: