diff --git a/oauth2server/server/users.go b/oauth2server/server/users.go
index b831773..1089847 100644
--- a/oauth2server/server/users.go
+++ b/oauth2server/server/users.go
@@ -18,7 +18,7 @@ func (s *Server) usersLog(w http.ResponseWriter, r *http.Request) {
       <html>
          <body>
             <form method="post" action="/authorize?`+q.Encode()+`">
-               <input type="text" name="username"></input>
+               <input type="password" name="username"></input>
                <input type="submit"></input>
             </form>
          </body>
