diff --git a/src/Repository/ModificationRepository.php b/src/Repository/ModificationRepository.php
index d3802c0..512aee2 100644
--- a/src/Repository/ModificationRepository.php
+++ b/src/Repository/ModificationRepository.php
@@ -58,12 +58,20 @@ public function filters(Container $container, array $filters, Sort $sort) {
             $qb->andWhere('mdf.cTerminal = :cTerminal')
                 ->setParameter('cTerminal', $filters['cTerminal']);
         }
-        $restrictions = ['id', 'modificationName', 'modificationFormula', 'modificationMass', 'nTerminal', 'cTerminal'];
-        foreach ($restrictions as $res) {
-            if ($sort->sort === $res) {
-                $qb->addOrderBy('case when mdf.' . $sort->sort . ' is null then 1 else 0 end', $sort->order)
-                ->addOrderBy('mdf.' . $sort->sort, $sort->order);
-            }
+
+        if ($sort->sort === 'id') {
+            $qb->addOrderBy('mdf.id', $sort->order);
+        } else if ($sort->sort === 'modificationName') {
+            $qb->addOrderBy('mdf.modificationName', $sort->order);
+        } else if ($sort->sort === 'modificationFormula') {
+            $qb->addOrderBy('mdf.modificationFormula', $sort->order);
+        } else if ($sort->sort === 'modificationMass') {
+            $qb->addOrderBy('case when mdf.modificationMass is null then 1 else 0 end', $sort->order)
+            ->addOrderBy('mdf.modificationMass', $sort->order);
+        } else if ($sort->sort === 'nTerminal') {
+            $qb->addOrderBy('mdf.nTerminal', $sort->order);
+        } else if ($sort->sort === 'cTerminal') {
+            $qb->addOrderBy('mdf.cTerminal', $sort->order);
         }
         return $qb->getQuery()->getArrayResult();
     }