diff --git a/server/enip/parser_test.py b/server/enip/parser_test.py
index 1ff105d..0aa76f8 100644
--- a/server/enip/parser_test.py
+++ b/server/enip/parser_test.py
@@ -20,6 +20,8 @@
 
 # Set up logging to use our log format (instead of default Pytest format), while
 # retaining any logging level eg. python -m pytest --log-cli-level=25 ...
+if not logging.getLogger().handlers:
+    logging.basicConfig( **log_cfg )
 logging.getLogger().handlers[0].setFormatter( logging.Formatter( log_cfg['format'] ))
 
 
diff --git a/server/enip/udt_test.py b/server/enip/udt_test.py
index 7da4723..cb1a15f 100644
--- a/server/enip/udt_test.py
+++ b/server/enip/udt_test.py
@@ -20,6 +20,8 @@
 
 # Set up logging to use our log format (instead of default Pytest format), while
 # retaining any logging level eg. python -m pytest --log-cli-level=25 ...
+if not logging.getLogger().handlers:
+    logging.basicConfig( **log_cfg )
 logging.getLogger().handlers[0].setFormatter( logging.Formatter( log_cfg['format'] ))
 
 try: