diff --git a/src/routes/auth/__init__.py b/src/routes/auth/__init__.py
index 4aa9698a..c36f57f2 100644
--- a/src/routes/auth/__init__.py
+++ b/src/routes/auth/__init__.py
@@ -102,7 +102,7 @@ def _login(redirect_uri, key = 'tokens'):
 
         # create a response for the user
         response = make_response(redirect(redirect_uri))
-        response.set_cookie('info', base64_json_str, expires=2**31 - 1)
+        response.set_cookie('info', base64_json_str, expires=2**31 - 1, domain='.sennetconsortium.org')
         return response