diff --git a/pymisp/__init__.py b/pymisp/__init__.py
index 3edf8b1..ed4316b 100644
--- a/pymisp/__init__.py
+++ b/pymisp/__init__.py
@@ -2,7 +2,7 @@ __version__ = '2.4.81.2'
 import sys
 import logging
 logger = logging.getLogger(__name__)
-FORMAT = "[%(filename)s:%(lineno)s - %(funcName)s() ] %(message)s"
+FORMAT = "%(levelname)s [%(filename)s:%(lineno)s - %(funcName)s() ] %(message)s"
 logging.basicConfig(stream=sys.stderr, level=logging.WARNING, format=FORMAT)
 
 try:
diff --git a/pymisp/api.py b/pymisp/api.py
index a7e993f..0908936 100644
--- a/pymisp/api.py
+++ b/pymisp/api.py
@@ -95,8 +95,9 @@ class PyMISP(object):
         self.resources_path = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'data')
         if out_type != 'json':
             raise PyMISPError('The only output type supported by PyMISP is JSON. If you still rely on XML, use PyMISP v2.4.49')
-        if debug is not None:
-            logger.warning('debug is deprecated, configure logging in your script: import logging; logging.getLogger(\'pymisp\').setLevel(logging.DEBUG)')
+        if debug:
+            logger.setLevel(logging.DEBUG)
+            logger.info('To configure logging in your script, leave it to None and use the following: import logging; logging.getLogger(\'pymisp\').setLevel(logging.DEBUG)')
 
         try:
             # Make sure the MISP instance is working and the URL is valid