diff --git a/src/infrastructure/storage/configuration/DatabaseConfigurationProvider.php b/src/infrastructure/storage/configuration/DatabaseConfigurationProvider.php
index 4776298351..9c12607efa 100644
--- a/src/infrastructure/storage/configuration/DatabaseConfigurationProvider.php
+++ b/src/infrastructure/storage/configuration/DatabaseConfigurationProvider.php
@@ -13,6 +13,7 @@ interface DatabaseConfigurationProvider {
   public function getUser();
   public function getPassword();
   public function getHost();
+  public function getPort();
   public function getDatabase();
 
 }