diff --git a/lib/private/Collaboration/Collaborators/UserPlugin.php b/lib/private/Collaboration/Collaborators/UserPlugin.php
index ffad426e15dd6..362fdeaa92731 100644
--- a/lib/private/Collaboration/Collaborators/UserPlugin.php
+++ b/lib/private/Collaboration/Collaborators/UserPlugin.php
@@ -63,6 +63,12 @@ public function search($search, $limit, $offset, ISearchResult $searchResult): b
 		$users = [];
 		$hasMoreResults = false;
 
+		// Hotfix: with sharee enumeration disabled users shall be only searched by email anyways in this environment,
+		// so for now return just empty results as those are also handled by the MailPlugin
+		$type = new SearchResultType('users');
+		$searchResult->addResultSet($type, $result['wide'], $result['exact']);
+		return false;
+
 		/** @var IUser */
 		$currentUser = $this->userSession->getUser();
 		$currentUserId = $currentUser->getUID();