diff --git a/webfront.py b/webfront.py
index 5acb6c1..a7d72c4 100755
--- a/webfront.py
+++ b/webfront.py
@@ -273,13 +273,13 @@ class ImgHandler(tornado.web.RequestHandler):
             if tornado.escape.xhtml_escape(self.get_argument("gravatar")) == 'yes':
                 default = "404"
                 # construct the url
-                gravatar_url = "http://www.gravatar.com/avatar/" + hashlib.md5(string.lower()).hexdigest() + "?"
+                gravatar_url = "https://secure.gravatar.com/avatar/" + hashlib.md5(string.lower()).hexdigest() + "?"
                 gravatar_url += urllib.urlencode({'default':default, 'size':str(sizey)})
             if tornado.escape.xhtml_escape(self.get_argument("gravatar")) == 'hashed':
                 string = urllib.quote(string)
                 default = "404"
                 # construct the url
-                gravatar_url = "http://www.gravatar.com/avatar/" + string + "?"
+                gravatar_url = "https://secure.gravatar.com/avatar/" + string + "?"
                 gravatar_url += urllib.urlencode({'default':default, 'size':str(sizey)})
             try:
                 f = urllib2.urlopen(urllib2.Request(gravatar_url))