diff --git a/paramecio2/app.py b/paramecio2/app.py
index a8ba8d5..0eda65b 100644
--- a/paramecio2/app.py
+++ b/paramecio2/app.py
@@ -30,7 +30,7 @@ def start_app():
             JSON_SORT_KEYS=config.json_sort_keys
         )
         
-    if hasattr(config, 'SERVER_NAME'):
+    if hasattr(config, 'server_name'):
         app.config.update(
             SERVER_NAME=config.server_name
         )