diff --git a/app/__init__.py b/app/__init__.py
index feb432f..75393ca 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -39,7 +39,7 @@ def create_app(
     with app.app_context():
         app.config.from_object(config)
         app.config.from_envvar("APPLICATION_SETTINGS", silent=True)
-        app.config.from_prefixed_env(loads=str)
+        app.config.from_prefixed_env()
 
         # Register error handlers
         app.register_error_handler(404, page_not_found)