diff --git a/appengine/flexible/hello_world_django/project_name/settings.py b/appengine/flexible/hello_world_django/project_name/settings.py
index e96651fa8f7..584a7de069f 100644
--- a/appengine/flexible/hello_world_django/project_name/settings.py
+++ b/appengine/flexible/hello_world_django/project_name/settings.py
@@ -39,7 +39,7 @@
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['*']
 
 
 # Application definition