diff --git a/libraries/entropy/const.py b/libraries/entropy/const.py
index eb4471a8f..432017c28 100644
--- a/libraries/entropy/const.py
+++ b/libraries/entropy/const.py
@@ -1427,7 +1427,7 @@ def const_convert_to_unicode(obj, enctype = 'raw_unicode_escape'):
 
     # None support
     if obj is None:
-        return "None"
+        return const_convert_to_unicode("None")
 
     # int support
     if isinstance(obj, int):