diff --git a/src/Core/Update.php b/src/Core/Update.php
index 0a0f365d1..1a1566ad8 100644
--- a/src/Core/Update.php
+++ b/src/Core/Update.php
@@ -209,7 +209,7 @@ class Update
 	 */
 	private static function updateFailed($update_id, $error_message) {
 		//send the administrators an e-mail
-		$admin_mail_list = "'".implode("','", array_map(['Friendica\Database\DBA', 'escape'], explode(",", str_replace(" ", "", Config::get('config', 'admin_email')))))."'";
+		$admin_mail_list = explode(",", str_replace(" ", "", Config::get('config', 'admin_email')));
 		$adminlist = DBA::select('user', ['uid', 'language', 'email'], ['`email` IN (%s)', $admin_mail_list]);
 
 		// No valid result?
@@ -251,7 +251,7 @@ class Update
 	private static function updateSuccessfull($from_build, $to_build)
 	{
 		//send the administrators an e-mail
-		$admin_mail_list = "'".implode("','", array_map(['Friendica\Database\DBA', 'escape'], explode(",", str_replace(" ", "", Config::get('config', 'admin_email')))))."'";
+		$admin_mail_list = explode(",", str_replace(" ", "", Config::get('config', 'admin_email')));
 		$adminlist = DBA::select('user', ['uid', 'language', 'email'], ['`email` IN (%s)', $admin_mail_list]);
 
 		if (DBA::isResult($adminlist)) {