diff --git a/trytond/trytond/application.py b/trytond/trytond/application.py
index f30bb7296e..bc10f0ebaa 100644
--- a/trytond/trytond/application.py
+++ b/trytond/trytond/application.py
@@ -9,12 +9,11 @@ from io import StringIO
 __all__ = ['app']
 
 # Logging must be set before importing
-logging_config = os.environ.get('TRYTOND_LOGGING_CONFIG')
-logging_level = int(os.environ.get(
-        'TRYTOND_LOGGING_LEVEL', default=logging.ERROR))
-if logging_config:
+if logging_config := os.environ.get('TRYTOND_LOGGING_CONFIG'):
     logging.config.fileConfig(logging_config)
 else:
+    logging_level = int(
+        os.environ.get('TRYTOND_LOGGING_LEVEL') or logging.ERROR)
     logformat = ('%(process)s %(thread)s [%(asctime)s] '
         '%(levelname)s %(name)s %(message)s')
     level = max(logging_level, logging.NOTSET)
diff --git a/trytond/trytond/commandline.py b/trytond/trytond/commandline.py
index 99b4d556a5..a7b0de783b 100644
--- a/trytond/trytond/commandline.py
+++ b/trytond/trytond/commandline.py
@@ -188,8 +188,9 @@ def config_log(options):
     else:
         logformat = ('%(process)s %(thread)s [%(asctime)s] '
             '%(levelname)s %(name)s %(message)s')
-        if not options.verbose and 'TRYTOND_LOGGING_LEVEL' in os.environ:
-            logging_level = int(os.environ['TRYTOND_LOGGING_LEVEL'])
+        if not options.verbose:
+            logging_level = int(
+                os.environ.get('TRYTOND_LOGGING_LEVEL') or logging.ERROR)
             level = max(logging_level, logging.NOTSET)
         else:
             level = max(logging.ERROR - options.verbose * 10, logging.NOTSET)