diff --git a/app/classes/Framadate/Utils.php b/app/classes/Framadate/Utils.php
index 9343cd6168833d1f3729f14ce505fc2514d6a398..1ec1a5f38e263a8d4b3699769879c11de4131f2f 100644
--- a/app/classes/Framadate/Utils.php
+++ b/app/classes/Framadate/Utils.php
@@ -252,7 +252,7 @@ class Utils
 
     public static function cleaning_polls($connect, $log_txt) {
         $connect->StartTrans();
-        $req = 'SELECT * FROM sondage WHERE date_fin < NOW() LIMIT 50';
+        $req = 'SELECT * FROM sondage WHERE date_fin < NOW() LIMIT 20';
         $sql = $connect->Prepare($req);
         $cleaning = $connect->Execute($sql);