diff --git a/endpoints/notificationmethod.py b/endpoints/notificationmethod.py
index 526a25199..d3e444fc1 100644
--- a/endpoints/notificationmethod.py
+++ b/endpoints/notificationmethod.py
@@ -4,8 +4,9 @@ import requests
 import re
 
 from flask.ext.mail import Message
-from app import mail, app
+from app import mail, app, OVERRIDE_CONFIG_DIRECTORY
 from data import model
+from util.config.validator import SSL_FILENAMES
 from workers.queueworker import JobException
 
 logger = logging.getLogger(__name__)
@@ -20,6 +21,11 @@ class NotificationMethodPerformException(JobException):
   pass
 
 
+SSLClientCert = None
+if app.config['PREFERRED_URL_SCHEME'] == 'https':
+  # TODO(jschorr): move this into the config provider library
+  SSLClientCert = [OVERRIDE_CONFIG_DIRECTORY + f for f in SSL_FILENAMES]
+
 class NotificationMethod(object):
   def __init__(self):
     pass
@@ -177,7 +183,7 @@ class WebhookMethod(NotificationMethod):
     headers = {'Content-type': 'application/json'}
 
     try:
-      resp = requests.post(url, data=json.dumps(payload), headers=headers)
+      resp = requests.post(url, data=json.dumps(payload), headers=headers, cert=SSLClientCert)
       if resp.status_code/100 != 2:
         error_message = '%s response for webhook to url: %s' % (resp.status_code, url)
         logger.error(error_message)