diff --git a/umbra/behaviors.py b/umbra/behaviors.py
index fffc714..8c9733e 100644
--- a/umbra/behaviors.py
+++ b/umbra/behaviors.py
@@ -1,13 +1,19 @@
+# vim: set sw=4 et:
+
 from json import dumps, load
 from time import sleep
 import os, re
+import logging
 
 behaviors_file = os.path.sep.join(__file__.split(os.path.sep)[:-1] + ['behaviors.json'])
-def execute(url, ws, command_id):
+def execute(url, websock, command_id):
+    logger = logging.getLogger('behaviors')
     sleep(5)
     with open(behaviors_file) as js:
         behaviors = load(js)
         for behavior in behaviors:
             if re.match(behavior['site'], url):
                 for script in behavior['scripts']:
-                    ws.send(dumps(dict(method="Runtime.evaluate", params={"expression": script}, id=next(command_id))))
+                    msg = dumps(dict(method="Runtime.evaluate", params={"expression": script}, id=next(command_id)))
+                    logger.debug('sending message to {}: {}'.format(websock, msg))
+                    websock.send(msg)