diff --git a/core/model/DataObjectDecorator.php b/core/model/DataObjectDecorator.php
index f43fc4e4c..b27b994b5 100755
--- a/core/model/DataObjectDecorator.php
+++ b/core/model/DataObjectDecorator.php
@@ -10,7 +10,7 @@
  * DataObject decorators add extra functionality to your data objects.
  */
 abstract class DataObjectDecorator extends Extension {
-	
+
 	/**
 	 * Load the extra database fields defined in extraDBFields.
 	 */
@@ -19,7 +19,10 @@ abstract class DataObjectDecorator extends Extension {
 		$className = $this->owner->class;
 		if($fields) {
 			foreach($fields as $relationType => $fields) {
-				if(in_array($relationType, array('db','has_one','many_many','belongs_many_many','many_many_extraFields'))) {
+				if(in_array($relationType, array('db', 'has_one', 'indexes',
+																				 'defaults', 'many_many',
+																				 'belongs_many_many',
+																				 'many_many_extraFields'))) {
 					eval("$className::\$$relationType = array_merge((array){$className}::\$$relationType, (array)\$fields);");
 				}
 			}
@@ -33,14 +36,14 @@ abstract class DataObjectDecorator extends Extension {
 	function augmentSQL(SQLQuery &$query) {
 		
 	}
-	
+
 	/**
 	 * Update the database schema as required by this extension.
 	 */
 	function augmentDatabase() {
 		
 	}
-	
+
 	/**
 	 * Define extra database fields.
 	 * Return an map where the keys are db, has_one, etc, and the values are additional fields / relations to be defined.
@@ -51,7 +54,7 @@ abstract class DataObjectDecorator extends Extension {
 
 	/**
 	 * This function is used to provide modifications to the form in the CMS by the
-	 * decorator.  By default, no changes are made - if you want you can overload 
+	 * decorator.  By default, no changes are made - if you want you can overload
 	 * this function.
 	 */
 	function updateCMSFields(FieldSet &$fields) {