diff --git a/rad/settings.py b/rad/settings.py
index 15dd3bd2..2f641ec3 100644
--- a/rad/settings.py
+++ b/rad/settings.py
@@ -25,7 +25,7 @@ with open('/etc/secret_key') as f:
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = ["localhost", "127.0.0.1", "161.35.163.87"]
+ALLOWED_HOSTS = ["localhost", "127.0.0.1", "161.35.163.87", "penracourses.org.uk"]
 
 # Application definition