diff --git a/content/content.index.php b/content/content.index.php
index 71b033f..5e4c251 100644
--- a/content/content.index.php
+++ b/content/content.index.php
@@ -21,7 +21,7 @@ function __construct(){
 		 */
 		public function build($context)
 		{
-			if(Administration::instance()->Author->isDeveloper()) {
+			if(Administration::instance()->Author()->isDeveloper()) {
 				if($_POST['with-selected'] == 'delete' && is_array($_POST['items']))
 				{
 					foreach($_POST['items'] as $id_role => $value)
@@ -118,4 +118,4 @@ public function __viewIndex()
 			$this->Form->appendChild($tableActions);
 		}
 	}
-?>
\ No newline at end of file
+?>
diff --git a/extension.driver.php b/extension.driver.php
index b521cba..77d75d0 100644
--- a/extension.driver.php
+++ b/extension.driver.php
@@ -580,7 +580,7 @@ private function adjustEntryEditor($context, $callback) {
 	 */
 	private function getCurrentAuthorRoleData() {
 		if(Administration::instance()->isLoggedIn()) {
-			$id_author = Administration::instance()->Author->get('id');
+			$id_author = Administration::instance()->Author()->get('id');
 			$id_role   = $this->getAuthorRole($id_author);
 
 			if($id_role != false) {
diff --git a/extension.meta.xml b/extension.meta.xml
index 0e2920b..45397fa 100644
--- a/extension.meta.xml
+++ b/extension.meta.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.3" encoding="UTF-8"?>
 <extension id="author_roles" status="released" xmlns="http://symphony-cms.com/schemas/extension/1.0">
 	<name>Author Roles</name>
 	<description>Add Roles to Symphony</description>
@@ -21,5 +21,6 @@
 			to Symphony to make sure the 'Author Roles'-extension is executed as last, after all other extensions have
 			made their possible modifications to the navigation. Read the readme for more details.
 		</release>
+		<release version="1.3" date="2015-11-23" min="2.3" max="2.6" />
 	</releases>
 </extension>