diff --git a/code/GridFieldAddNewMultiClass.php b/code/GridFieldAddNewMultiClass.php
index 9d91d76..2220bad 100755
--- a/code/GridFieldAddNewMultiClass.php
+++ b/code/GridFieldAddNewMultiClass.php
@@ -154,7 +154,7 @@ class GridFieldAddNewMultiClass implements GridField_HTMLProvider, GridField_URL
 
 		GridFieldExtensions::include_requirements();
 
-		$field = new DropdownField(sprintf('%s[ClassName]', __CLASS__), '', $classes);
+		$field = new DropdownField(sprintf('%s[%s]', __CLASS__, $grid->getName()), '', $classes, $this->defaultClass);
 		$field->setEmptyString(_t('GridFieldExtensions.SELECTTYPETOCREATE', '(Select type to create)'));
 		$field->addExtraClass('no-change-track');