diff --git a/tslint.json b/tslint.json
index b95f97c..28941df 100644
--- a/tslint.json
+++ b/tslint.json
@@ -16,6 +16,7 @@
     "curly": true,
     "eofline": false,
     "forin": true,
+    "type-check": true,
     "indent": [true, "spaces"],
     "interface-name": [true, "never-prefix"],
     "jsdoc-format": true,
diff --git a/walle_server.py b/walle_server.py
index 0426980..56e8667 100644
--- a/walle_server.py
+++ b/walle_server.py
@@ -7,7 +7,7 @@ import glob
 import os
 
 production = False if os.environ.get('NODE_ENV','') == 'development' else True
-xmlDir = 'public/' if production else 'build/'
+xmlDir = 'build/' if production else 'public/'
 
 @app.route('/')
 def walle_index():