diff --git a/app/Http/Controllers/MediaController.php b/app/Http/Controllers/MediaController.php
index 1b75c97..299d5ce 100644
--- a/app/Http/Controllers/MediaController.php
+++ b/app/Http/Controllers/MediaController.php
@@ -167,7 +167,7 @@ class MediaController extends Controller
             $esMust = array_merge($esMust, [
                 [
                     'bool' => [
-                        'should' => [
+                        'must' => [
                             [
                                 'match' => [
                                     'sujet_id' => $sujet_id