diff --git a/luigi/configuration/toml_parser.py b/luigi/configuration/toml_parser.py
index 43a97a08d7..8eace3db68 100644
--- a/luigi/configuration/toml_parser.py
+++ b/luigi/configuration/toml_parser.py
@@ -55,6 +55,8 @@ def read(self, config_paths):
 
         # freeze dict params
         for section, content in self.data.items():
+            if section.lower() == 'logging':
+                continue
             for key, value in content.items():
                 if isinstance(value, dict):
                     self.data[section][key] = recursively_freeze(value)