diff --git a/src/OAuth2/OAuth2Routes.php b/src/OAuth2/OAuth2Routes.php
index 70fa04c..9bbada7 100644
--- a/src/OAuth2/OAuth2Routes.php
+++ b/src/OAuth2/OAuth2Routes.php
@@ -58,7 +58,10 @@ class OAuth2Routes extends RouteHandler {
         $content = $request->getContent();
 
         if(!$authz->hasAuthed())
-            $authz->attemptBasicAppAuth((string)$content->getParam('client_id'));
+            $authz->attemptBasicAppAuth(
+                (string)filter_input(INPUT_SERVER, 'REMOTE_ADDR'),
+                (string)$content->getParam('client_id')
+            );
 
         if(!$authz->isApp())
             return self::filter($response, [