diff --git a/amsn2/ui/front_ends/web/bend.py b/amsn2/ui/front_ends/web/bend.py
index e7f861f8..a3924d42 100644
--- a/amsn2/ui/front_ends/web/bend.py
+++ b/amsn2/ui/front_ends/web/bend.py
@@ -116,8 +116,8 @@ def post_signin(self, w, uri, headers, body = None):
         if self.login_window is None:
             w._400()
             return
-        if (body and 'Content-Type' in headers
-        and headers['Content-Type'].startswith('application/x-www-form-urlencoded')):
+        if (body and 'content-type' in headers
+        and headers['content-type'].startswith('application/x-www-form-urlencoded')):
             args = cgi.parse_qs(body)
             print "<<< signin: %s" %(args,)
             self.login_window.signin(args['username'][0], args['password'][0])
diff --git a/amsn2/ui/front_ends/web/tinyhttpserver.py b/amsn2/ui/front_ends/web/tinyhttpserver.py
index 25de1b63..fc355cd6 100644
--- a/amsn2/ui/front_ends/web/tinyhttpserver.py
+++ b/amsn2/ui/front_ends/web/tinyhttpserver.py
@@ -65,8 +65,8 @@ def on_headers(self, headers):
         for line in headers[eol:].splitlines():
             if line:
                 name, value = line.split(":", 1)
-                self._headers[name] = value.strip()
         #print "method=%s, uri=%s, version=%s" % (self._method, uri, self._version)
+                self._headers[name.lower()] = value.strip()
         if not self._version.startswith("HTTP/"):
             self.close()
             return