diff --git a/python/triqs_dft_tools/converters/plovasp/converter.py b/python/triqs_dft_tools/converters/plovasp/converter.py
index ad32bf50..7a475a3d 100644
--- a/python/triqs_dft_tools/converters/plovasp/converter.py
+++ b/python/triqs_dft_tools/converters/plovasp/converter.py
@@ -43,6 +43,12 @@ from .plotools import generate_plo, output_as_text
 import logging
 
 class PloFormatter(logging.Formatter):
+    """
+    custom event logger for all output, warnings and debug info
+    """
+    def __init__(self, default):
+        self._default_formatter = default
+
     def format(self, record):
 		# Save the original format
         _style = self._style