diff --git a/adminer/drivers/elastic.inc.php b/adminer/drivers/elastic.inc.php
index cb7fe1ef..2028ba3a 100644
--- a/adminer/drivers/elastic.inc.php
+++ b/adminer/drivers/elastic.inc.php
@@ -204,7 +204,7 @@ if (isset($_GET["elastic"])) {
 		$return = $connection->rootQuery('_aliases');
 		if ($return) {
 			$return = array_keys($return);
-			sort($return);
+			sort($return, SORT_STRING);
 		}
 		return $return;
 	}