diff --git a/lib/units/app/index.js b/lib/units/app/index.js
index b9b3cd69..3bbfc53f 100644
--- a/lib/units/app/index.js
+++ b/lib/units/app/index.js
@@ -44,6 +44,7 @@ module.exports = function(options) {
   app.set('views', pathutil.resource('app/views'))
   app.set('strict routing', true)
   app.set('case sensitive routing', true)
+  app.set('trust proxy', true)
 
   if (options.disableWatch) {
     app.use(compression())