diff --git a/app.js b/app.js
index cfd551a..3edbb1e 100644
--- a/app.js
+++ b/app.js
@@ -17,7 +17,7 @@ app.disable('x-powered-by');
 app.set('views', path.join(__dirname, 'views'));
 app.set('view engine', 'pug');
 
-if (app.get('env') == 'production') {
+if (app.get('ENV') == 'production') {
     app.use(logger('common', { skip: function(req, res) { return res.statusCode < 400 }, stream: __dirname + '/../morgan.log' }));
 } else {
     app.use(logger('dev'));