diff --git a/conf/ConfigureFromEnv.php b/conf/ConfigureFromEnv.php
index ffa0beb99..dfbc99e3f 100644
--- a/conf/ConfigureFromEnv.php
+++ b/conf/ConfigureFromEnv.php
@@ -13,6 +13,7 @@
  *  - SS_DATABASE_SERVER:   The database server to use, defaulting to localhost
  *  - SS_DATABASE_USERNAME: The database username (mandatory)
  *  - SS_DATABASE_PASSWORD: The database password (mandatory)
+ *  - SS_DATABASE_PORT:     The database port
  *  - SS_DATABASE_SUFFIX:   A suffix to add to the database name.
  *  - SS_DATABASE_PREFIX:   A prefix to add to the database name.
  *  - SS_DATABASE_TIMEZONE: Set the database timezone to something other than the system timezone.
@@ -95,6 +96,11 @@ if(defined('SS_DATABASE_USERNAME') && defined('SS_DATABASE_PASSWORD')) {
 			. (defined('SS_DATABASE_SUFFIX') ? SS_DATABASE_SUFFIX : ''),
 	);
 
+	// Set the port if called for
+	if(defined('SS_DATABASE_PORT')) {
+		$databaseConfig['port'] = SS_DATABASE_PORT;
+	}
+
 	// Set the timezone if called for
 	if (defined('SS_DATABASE_TIMEZONE')) {
 		$databaseConfig['timezone'] = SS_DATABASE_TIMEZONE;