diff --git a/public/userarea/export_to_lims.php b/public/userarea/export_to_lims.php
index b3522d7..1b5f833 100644
--- a/public/userarea/export_to_lims.php
+++ b/public/userarea/export_to_lims.php
@@ -107,9 +107,10 @@ try {
 
     // 🔹 STEP 3: Fetch Parts (including idmatrice and part id for custom fields)
     $stmt = $pdo->prepare("
-        SELECT id AS part_id, part_number, part_description, material, color, mix, idmatrice, dateexpiry
-        FROM identification_parts
-        WHERE iddatadb = :iddatadb
+    SELECT id AS part_id, part_number, part_description, material, color, mix, idmatrice, dateexpiry
+    FROM identification_parts
+    WHERE iddatadb = :iddatadb
+    ORDER BY CAST(part_number AS UNSIGNED) ASC, part_number ASC
     ");
     $stmt->execute(['iddatadb' => $iddatadb]);
     $parts = $stmt->fetchAll(PDO::FETCH_ASSOC);