diff --git a/conduit/settings.py b/conduit/settings.py
index 91f3792..a9c99d8 100644
--- a/conduit/settings.py
+++ b/conduit/settings.py
@@ -25,7 +25,7 @@ class Config(object):
         'http://localhost:4200',
         'http://0.0.0.0:4000',
         'http://localhost:4000',
-        'http://0.0.0.0:' + os.environ.get('PORT'),
+        os.environ.get('BACK_PROD_URL'),
         os.environ.get('FRONT_PROD_URL')
     ]
     JWT_HEADER_TYPE = 'Token'