diff --git a/swh/deposit/settings/production.py b/swh/deposit/settings/production.py
index bf848528..0cfe605e 100644
--- a/swh/deposit/settings/production.py
+++ b/swh/deposit/settings/production.py
@@ -1,107 +1,111 @@
 # Copyright (C) 2017-2019  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import os
 
 from .common import *  # noqa
 from .common import ALLOWED_HOSTS
 from swh.core import config
 
 ALLOWED_HOSTS += ['deposit.softwareheritage.org']
 # Setup support for proxy headers
 USE_X_FORWARDED_HOST = True
 SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
 
 DEBUG = False
 
 # Database
 # https://docs.djangoproject.com/en/1.10/ref/settings/#databases
 # https://docs.djangoproject.com/en/1.10/ref/settings/#std:setting-DATABASES
 # https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/#databases
 
 # Retrieve the deposit's configuration file
 # and check the required setup is ok
 # If not raise an error explaining the errors
 config_file = os.environ.get('SWH_CONFIG_FILENAME')
+if not config_file:
+    raise ValueError('Production: SWH_CONFIG_FILENANE must be set to the'
+                     ' configuration file needed!')
+
 if not os.path.exists(config_file):
     raise ValueError('Production: configuration file %s does not exist!' % (
         config_file, ))
 
 conf = config.load_named_config(config_file)
 if not conf:
     raise ValueError(
         'Production: configuration %s does not exist.' % (
             config_file, ))
 
 for key in ('scheduler', 'private'):
     if not conf.get(key):
         raise ValueError(
             "Production: invalid configuration; missing %s config entry." % (
                 key, ))
 
 private_conf = conf['private']
 SECRET_KEY = private_conf['secret_key']
 
 # https://docs.djangoproject.com/en/1.10/ref/settings/#logging
 LOGGING = {
     'version': 1,
     'disable_existing_loggers': False,
     'formatters': {
         'standard': {
             'format': "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",  # noqa
             'datefmt': "%d/%b/%Y %H:%M:%S"
         },
     },
     'handlers': {
         'console': {
             'level': 'INFO',
             'class': 'logging.StreamHandler',
             'formatter': 'standard'
         },
     },
     'loggers': {
         'django': {
             'handlers': ['console'],
             'level': 'INFO',
             'propagate': True,
         },
     },
 }
 
 # database
 
 db_conf = private_conf.get('db', {'name': 'unset'})
 
 db = {
     'ENGINE': 'django.db.backends.postgresql',
     'NAME': db_conf['name'],
 }
 
 db_user = db_conf.get('user')
 if db_user:
     db['USER'] = db_user
 
 
 db_pass = db_conf.get('password')
 if db_pass:
     db['PASSWORD'] = db_pass
 
 db_host = db_conf.get('host')
 if db_host:
     db['HOST'] = db_host
 
 db_port = db_conf.get('port')
 if db_port:
     db['PORT'] = db_port
 
 # https://docs.djangoproject.com/en/1.10/ref/settings/#databases
 DATABASES = {
     'default': db,
 }
 
 # Upload user directory
 
 # https://docs.djangoproject.com/en/1.11/ref/settings/#std:setting-MEDIA_ROOT
 MEDIA_ROOT = private_conf.get('media_root')