diff --git a/src/ifcopenshell-python/ifcopenshell/geom/app.py b/src/ifcopenshell-python/ifcopenshell/geom/app.py
index a08d0ded73..8dad8c365c 100644
--- a/src/ifcopenshell-python/ifcopenshell/geom/app.py
+++ b/src/ifcopenshell-python/ifcopenshell/geom/app.py
@@ -51,7 +51,7 @@ class configuration(object):
             Cfg = ConfigParser.RawConfigParser
         except:
             import configparser
-            Cfg = configparser.ConfigParser(interpolation=None)
+            Cfg = lambda: configparser.ConfigParser(interpolation=None)
             
         conf_file = os.path.expanduser(os.path.join("~", ".ifcopenshell", "app", "snippets.conf"))
         if conf_file.startswith("~"):