diff --git a/dev.py b/dev.py
index 0bce7aa..9d3b66f 100644
--- a/dev.py
+++ b/dev.py
@@ -12,4 +12,4 @@ from puppetboard.default_settings import DEV_LISTEN_HOST, DEV_LISTEN_PORT
 
 if __name__ == '__main__':
     app.debug = True
-    app.run(DEV_LISTEN_HOST, DEV_LISTEN_PORT)
+    app.run(app.config['DEV_LISTEN_HOST'], app.config['DEV_LISTEN_PORT'])