diff --git a/tacker/alarm_receiver.py b/tacker/alarm_receiver.py
index 75aabcb91..028f9573f 100644
--- a/tacker/alarm_receiver.py
+++ b/tacker/alarm_receiver.py
@@ -17,6 +17,7 @@ from urllib import parse
 from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_serialization import jsonutils
+from oslo_utils import strutils
 
 from tacker._i18n import _
 from tacker.vnfm.monitor_drivers.token import Token
@@ -48,7 +49,7 @@ def config_opts():
 
 class AlarmReceiver(wsgi.Middleware):
     def process_request(self, req):
-        LOG.debug('Process request: %s', req)
+        LOG.debug('Process request: %s', strutils.mask_password(req))
         if req.method != 'POST':
             return
         url = req.url