diff --git a/code/forms/FolderUnusedAssetsField.php b/code/forms/FolderUnusedAssetsField.php
index 36dd1153..f9b0f05a 100644
--- a/code/forms/FolderUnusedAssetsField.php
+++ b/code/forms/FolderUnusedAssetsField.php
@@ -29,7 +29,7 @@ class Folder_UnusedAssetsField extends CompositeField {
 		return $this->children;
 	}
 	
-	public function FieldHolder() {
+	public function FieldHolder($properties = array()) {
 		$output = "";
 		foreach($this->getChildren() as $child) {
 			$output .= $child->FieldHolder();
diff --git a/code/widgets/WidgetAreaEditor.php b/code/widgets/WidgetAreaEditor.php
index afd11c20..8c99508c 100644
--- a/code/widgets/WidgetAreaEditor.php
+++ b/code/widgets/WidgetAreaEditor.php
@@ -19,7 +19,7 @@ class WidgetAreaEditor extends FormField {
 		parent::__construct($name);
 	}
 	
-	function FieldHolder() {
+	function FieldHolder($properties = array()) {
 		Requirements::css(CMS_DIR . '/css/WidgetAreaEditor.css');
 		Requirements::javascript(THIRDPARTY_DIR . "/prototype/prototype.js");
 		Requirements::javascript(THIRDPARTY_DIR . '/behaviour/behaviour.js');