diff --git a/src/utils/__init__.py b/src/utils/__init__.py
index 545360c8..cc3ca689 100644
--- a/src/utils/__init__.py
+++ b/src/utils/__init__.py
@@ -261,7 +261,7 @@ class OptionsSetting(Setting):
     def __init__(self, name: str, options: typing.List[str], help: str=None,
             example: str=None):
         self._options = options
-        Setting.__init__(name, help, example)
+        Setting.__init__(self, name, help, example)
 
     def parse(self, value: str) -> typing.Any:
         value_lower = value.lower()