diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index c54ade0f..82ea8fc1 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -579,7 +579,7 @@ if (!defined("DRIVER")) {
 	*/
 	function foreign_keys($table) {
 		global $connection, $on_actions;
-		static $pattern = '`(?:[^`]|``)+`';
+		static $pattern = '(?:`(?:[^`]|``)+`)|(?:"(?:[^"]|"")+")';
 		$return = array();
 		$create_table = $connection->result("SHOW CREATE TABLE " . table($table), 1);
 		if ($create_table) {
diff --git a/changes.txt b/changes.txt
index baa2a887..6b775e89 100644
--- a/changes.txt
+++ b/changes.txt
@@ -2,6 +2,7 @@ Adminer 4.6.4-dev:
 Fix inline editing of empty cells (regression from 4.6.3)
 Allow adding more than two indexes and forign key columns at a time (regression from 4.4.0)
 Fix function change with set data type
+MySQL: Support foreign keys created with ANSI quotes (bug #620)
 
 Adminer 4.6.3 (released 2018-06-28):
 Disallow using password-less databases