diff --git a/README.md b/README.md
index 0582870..433ed22 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ RosarioSIS uses a Postgres database:
 
 ``` bash
 $ docker run --name rosariodb -d postgres:9.4 --restart=always
-$ docker run -h `hostname -f` -d -p 80:80 --name rosariosis --link rosariodb:rosariodb rosariosis --restart=always
+$ docker run -e "ROSARIOSIS_ADMIN_EMAIL=admin@example.com" -h `hostname -f` -d -p 80:80 --name rosariosis --link rosariodb:rosariodb rosariosis --restart=always
 ```
 
 Port 80 will be exposed, so you can visit `localhost` to get started. The default username is `admin` and the default password is `admin`.
diff --git a/conf/config.inc.php b/conf/config.inc.php
index 09fe42e..7d344d6 100644
--- a/conf/config.inc.php
+++ b/conf/config.inc.php
@@ -16,7 +16,7 @@ if(!defined('CONFIG_INC'))
   $wkhtmltopdfPath = '/usr/bin/wkhtmltopdf'; // empty string means wkhtmltopdf will not be called and reports will be rendered in html instead of pdf
 
   $DefaultSyear = '2014'; // Default school year, should match the database to be able to login
-  $RosarioNotifyAddress = ''; // email address to send error and new administrator notifications
+  $RosarioNotifyAddress = getenv('ROSARIOSIS_ADMIN_EMAIL'); // email address to send error and new administrator notifications
   $RosarioLocales = array('en_US.utf8'); // Add other languages you want to support here, ex: array('en_US.utf8', 'fr_FR.utf8', 'es_ES.utf8');
 
 }