diff --git a/dockerplugin.py b/dockerplugin.py
index bc2a36d..3ae8905 100755
--- a/dockerplugin.py
+++ b/dockerplugin.py
@@ -552,6 +552,7 @@ def notice(self, msg):
 logging.setLoggerClass(CollectdLogger)
 log = logging.getLogger(__name__)
 log.setLevel(logging.DEBUG)
+log.propagate = False
 handle = CollectdLogHandler('docker')
 log.addHandler(handle)