diff --git a/gooey/python_bindings/argparse_to_json.py b/gooey/python_bindings/argparse_to_json.py
index 69d2fb7..5faaaf0 100644
--- a/gooey/python_bindings/argparse_to_json.py
+++ b/gooey/python_bindings/argparse_to_json.py
@@ -25,7 +25,7 @@ VALID_WIDGETS = (
   'Counter',
   'RadioGroup',
   'CheckBox',
-  'MultiDirDialog'
+  'MultiDirChooser'
 )