diff --git a/paramecio2/app.py b/paramecio2/app.py
index 99505bd..a8ba8d5 100644
--- a/paramecio2/app.py
+++ b/paramecio2/app.py
@@ -31,7 +31,7 @@ def start_app():
         )
         
     if hasattr(config, 'SERVER_NAME'):
-        application_root=config.application_root
+        app.config.update(
             SERVER_NAME=config.server_name
         )