diff --git a/CHANGELOG.md b/CHANGELOG.md
index 852bb5256..73d0abb52 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Changed
+
+- Rewire the setsites ajax route to an extension-free url so it is reachable at its own declared url - [#32](https://github.com/owncloud/external/pull/32)
 
 ## [1.5.1] - 2026-07-22
 
diff --git a/appinfo/routes.php b/appinfo/routes.php
index d6cf34df5..d8774cc35 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -8,5 +8,5 @@
 /** @var $this \OCP\Route\IRouter */
 $this->create('external_index', '/{id}')
 	->actionInclude('external/index.php');
-$this->create('external_ajax_setsites', 'ajax/setsites.php')
+$this->create('external_ajax_setsites', 'ajax/setsites')
 	->actionInclude('external/ajax/setsites.php');
diff --git a/js/admin.js b/js/admin.js
index 4142b4480..d47d92383 100644
--- a/js/admin.js
+++ b/js/admin.js
@@ -24,7 +24,7 @@ $(document).ready(function(){
 	function saveSites() {
 		var post = $('#external').serialize();
 		OC.msg.startSaving('#external .msg');
-		$.post( OC.filePath('external','ajax','setsites.php') , post, function(data) {
+		$.post( OC.generateUrl('/apps/external/ajax/setsites') , post, function(data) {
 			OC.msg.finishedSaving('#external .msg', data);
 		});
 	}