diff --git a/server/app.js b/server/app.js
index c1f66ccb..3e52b694 100644
--- a/server/app.js
+++ b/server/app.js
@@ -88,7 +88,8 @@ function startSingle(clustered, redis_enabled) {
             ca: ca,
             spdy: {
                 protocols: [ 'h2', 'spdy/3.1', 'http/1.1' ],
-                plain: false,
+                plain: true,
+                ssl: true,
 
                 // **optional**
                 // Parse first incoming X_FORWARDED_FOR frame and put it to the
@@ -96,13 +97,6 @@ function startSingle(clustered, redis_enabled) {
                 // NOTE: Use with care! This should not be used without some proxy that
                 // will *always* send X_FORWARDED_FOR
                 'x-forwarded-for': true,
-
-                connection: {
-                  windowSize: 1024 * 1024, // Server's window size
-
-                  // **optional** if true - server will send 3.1 frames on 3.0 *plain* spdy
-                  autoSpdy31: false
-                }
               }
         };
         var https = require('spdy');