diff --git a/apps/files_sharing/lib/Controller/ShareesAPIController.php b/apps/files_sharing/lib/Controller/ShareesAPIController.php
index ee95661d4c..c39547bdea 100644
--- a/apps/files_sharing/lib/Controller/ShareesAPIController.php
+++ b/apps/files_sharing/lib/Controller/ShareesAPIController.php
@@ -70,6 +70,7 @@ class ShareesAPIController extends OCSController {
 			'remote_groups' => [],
 			'emails' => [],
 			'circles' => [],
+			'rooms' => [],
 		],
 		'users' => [],
 		'groups' => [],
@@ -78,6 +79,7 @@ class ShareesAPIController extends OCSController {
 		'emails' => [],
 		'lookup' => [],
 		'circles' => [],
+		'rooms' => [],
 	];
 
 	protected $reachedEndFor = [];
@@ -162,6 +164,10 @@ class ShareesAPIController extends OCSController {
 			if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_EMAIL)) {
 				$shareTypes[] = Share::SHARE_TYPE_EMAIL;
 			}
+
+			if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_ROOM)) {
+				$shareTypes[] = Share::SHARE_TYPE_ROOM;
+			}
 		} else {
 			$shareTypes[] = Share::SHARE_TYPE_GROUP;
 			$shareTypes[] = Share::SHARE_TYPE_EMAIL;