diff --git a/lib/public/IServerContainer.php b/lib/public/IServerContainer.php
index 2c461fd5d8af..cb0ce44bf226 100644
--- a/lib/public/IServerContainer.php
+++ b/lib/public/IServerContainer.php
@@ -53,7 +53,7 @@
  * This container holds all ownCloud services
  * @since 6.0.0
  */
-interface IServerContainer {
+interface IServerContainer extends IContainer {
 
 	/**
 	 * The contacts manager will act as a broker between consumers for contacts information and