diff --git a/src/python/jw/pkg/lib/App.py b/src/python/jw/pkg/lib/App.py
index de0289a6..52cd4f15 100644
--- a/src/python/jw/pkg/lib/App.py
+++ b/src/python/jw/pkg/lib/App.py
@@ -35,10 +35,16 @@ class App:  # export
 
     def _add_arguments(self, parser: ArgumentParser) -> None:
         self.__parser.add_argument(
-            '--log-flags', help = 'Log flags', default = self.__default_log_flags
+            '--log-flags',
+            help = 'Log flags',
+            default = self.__default_log_flags,
+            type = parse_log_flags,
         )
         self.__parser.add_argument(
-            '--log-level', help = 'Log level', default = self.__default_log_level
+            '--log-level',
+            help = 'Log level',
+            default = self.__default_log_level,
+            type = parse_log_level,
         )
         self.__parser.add_argument(
             '--log-file', help = 'Log file', default = self.__default_log_file