diff --git a/src/anemoi/training/diagnostics/mlflow/auth.py b/src/anemoi/training/diagnostics/mlflow/auth.py
index 100a69d3..9d1730ff 100644
--- a/src/anemoi/training/diagnostics/mlflow/auth.py
+++ b/src/anemoi/training/diagnostics/mlflow/auth.py
@@ -6,7 +6,6 @@
 # nor does it submit to any jurisdiction.
 
 import json
-import logging
 import os
 import time
 from getpass import getpass
@@ -16,7 +15,7 @@
 from anemoi.utils.config import save_config
 from requests.exceptions import HTTPError
 
-LOG = logging.getLogger(__name__)
+from anemoi.training.utils.logger import get_code_logger
 
 
 class TokenAuth:
@@ -28,8 +27,7 @@ def __init__(
         refresh_expire_days=29,
         enabled=True,
     ):
-        """
-        Parameters
+        """Parameters
         ----------
         url : str
             URL of the authentication server.
@@ -53,6 +51,10 @@ def __init__(
         self.access_token = None
         self.access_expires = 0
 
+        # the command line tool adds a default handler to the root logger on runtime,
+        # so we init our logger here (on runtime, not on import) to avoid duplicate handlers
+        self.log = get_code_logger(__name__)
+
     def __call__(self):
         self.authenticate()
 
@@ -87,14 +89,14 @@ def login(self, force_credentials=False, **kwargs):
         if not self.enabled:
             return
 
-        LOG.info(f"Logging in to {self.url}")
+        self.log.info(f"Logging in to {self.url}")
         new_refresh_token = None
 
         if not force_credentials and self.refresh_token and self.refresh_expires > time.time():
             new_refresh_token = self._token_request(ignore_exc=True).get("refresh_token")
 
         if not new_refresh_token:
-            LOG.info("Please sign in with your credentials.")
+            self.log.info("Please sign in with your credentials.")
             username = input("Username: ")
             password = getpass("Password: ")
 
@@ -106,7 +108,7 @@ def login(self, force_credentials=False, **kwargs):
         self.refresh_token = new_refresh_token
         self.save()
 
-        LOG.info("Successfully logged in to MLflow. Happy logging!")
+        self.log.info("Successfully logged in to MLflow. Happy logging!")
 
     def authenticate(self, **kwargs):
         """Check the access token and refresh it if necessary.
@@ -139,13 +141,13 @@ def authenticate(self, **kwargs):
 
         os.environ["MLFLOW_TRACKING_TOKEN"] = self.access_token
 
-        LOG.debug("Access token refreshed.")
+        self.log.debug("Access token refreshed.")
 
     def save(self, **kwargs):
         """Save the latest refresh token to disk."""
 
         if not self.refresh_token:
-            LOG.warning("No refresh token to save.")
+            self.log.warning("No refresh token to save.")
             return
 
         config = {
@@ -194,5 +196,5 @@ def _request(self, path, payload):
 
             return response_json["response"]
         except HTTPError as http_err:
-            LOG.error(f"HTTP error occurred: {http_err}")
+            self.log.error(f"HTTP error occurred: {http_err}")
             raise