diff --git a/atlas/app.py b/atlas/app.py
index 4f7b3d63..cf906dfc 100644
--- a/atlas/app.py
+++ b/atlas/app.py
@@ -73,8 +73,7 @@ def get_locale():
 
         @app.context_processor
         def inject_config():
-            configuration = copy.copy(app.config)
-            configuration.pop("PERMANENT_SESSION_LIFETIME", None)
+            configuration = copy.copy(config_valid)
             return dict(configuration=configuration)
 
         @app.template_filter("pretty")