diff --git a/Lib/MigrationVersion.php b/Lib/MigrationVersion.php
index 85ac39ef..88b76673 100644
--- a/Lib/MigrationVersion.php
+++ b/Lib/MigrationVersion.php
@@ -55,7 +55,7 @@ class MigrationVersion {
  *
  * @var string
  */
-	public $precheck = 'exception';
+	public $precheck = 'Migrations.PrecheckException';
 
 /**
  * Constructor