diff --git a/src/ORM/TableRegistry.php b/src/ORM/TableRegistry.php
index 57697bd7c31..014a4c15677 100644
--- a/src/ORM/TableRegistry.php
+++ b/src/ORM/TableRegistry.php
@@ -184,7 +184,7 @@ public static function get($alias, array $options = [])
         }
 
         if (isset(static::$_config[$alias])) {
-            $options = array_merge($options, static::$_config[$alias]);
+            $options = static::$_config[$alias] + $options;
         }
         if (empty($options['connection'])) {
             $connectionName = $options['className']::defaultConnectionName();