diff --git a/libraries/controllers/TableStructureController.php b/libraries/controllers/TableStructureController.php
index a6412d176b..c27968296e 100644
--- a/libraries/controllers/TableStructureController.php
+++ b/libraries/controllers/TableStructureController.php
@@ -37,7 +37,7 @@ class TableStructureController extends TableController
     /**
      * @var Table  The table object
      */
-    protected $_table_obj;
+    protected $table_obj;
     /**
      * @var string  The URL query string
      */