diff --git a/src/Bundle/ChillPersonBundle/Repository/SocialWork/ResultRepository.php b/src/Bundle/ChillPersonBundle/Repository/SocialWork/ResultRepository.php
index 407626afe..327f396db 100644
--- a/src/Bundle/ChillPersonBundle/Repository/SocialWork/ResultRepository.php
+++ b/src/Bundle/ChillPersonBundle/Repository/SocialWork/ResultRepository.php
@@ -73,18 +73,16 @@ final class ResultRepository implements ObjectRepository
     }
 
     /**
-     * @param mixed|null $orderBy
-     * @param mixed|null $limit
-     * @param mixed|null $offset
-     *
-     * @return Result[]
+     * @return array<Result>
      */
-    public function findByGoal(Goal $goal, $orderBy = null, $limit = null, $offset = null): array
+    public function findByGoal(Goal $goal, ?array $orderBy = null, ?int $limit = null, ?int $offset = null): array
     {
         $qb = $this->buildQueryByGoal($goal);
 
-        foreach ($orderBy as $sort => $order) {
-            $qb->addOrderBy('r.' . $sort, $order);
+        if (null !== $orderBy) {
+            foreach ($orderBy as $sort => $order) {
+                $qb->addOrderBy('r.' . $sort, $order);
+            }
         }
 
         return $qb