diff --git a/src/Illuminate/Database/Connectors/MySqlConnector.php b/src/Illuminate/Database/Connectors/MySqlConnector.php
index 2b7cfa99f04b..a7640859d77c 100755
--- a/src/Illuminate/Database/Connectors/MySqlConnector.php
+++ b/src/Illuminate/Database/Connectors/MySqlConnector.php
@@ -55,7 +55,7 @@ protected function configureIsolationLevel($connection, array $config)
         }
 
         $connection->prepare(
-            "SET SESSION TRANSACTION ISOLATION LEVEL '{$config['isolation_level']}'"
+            "SET SESSION TRANSACTION ISOLATION LEVEL {$config['isolation_level']}"
         )->execute();
     }