diff --git a/lib/public/iservercontainer.php b/lib/public/iservercontainer.php
index 7cb2672254..267e5dc4d3 100644
--- a/lib/public/iservercontainer.php
+++ b/lib/public/iservercontainer.php
@@ -471,6 +471,12 @@ interface IServerContainer {
 	 */
 	public function getNotificationManager();
 
+	/**
+	 * @return \OCP\Comments\ICommentsManager
+	 * @since 9.0.0
+	 */
+	public function getCommentsManager();
+
 	/**
 	 * Returns the system-tag manager
 	 *