diff --git a/src/app/resource/controllers/ExportController.php b/src/app/resource/controllers/ExportController.php
index 161f55ebc25ac7deacba0b1555387886e7be7a9d..cf81b693cf2999093b4644d4038db4d0e69a6d8b 100755
--- a/src/app/resource/controllers/ExportController.php
+++ b/src/app/resource/controllers/ExportController.php
@@ -636,8 +636,8 @@ class ExportController
 
         foreach ($args['chunkedResIds'] as $resIds) {
             $attachments = AttachmentModel::get([
-                'select'    => ['creation_date', 'res_id'],
-                'where'     => ['res_id in (?)', 'attachment_type = ?', 'status = ?'],
+                'select'    => ['creation_date', 'res_id_master'],
+                'where'     => ['res_id_master in (?)', 'attachment_type = ?', 'status = ?'],
                 'data'      => [$resIds, 'signed_response', 'TRA'],
                 'order_by'  => ['res_id']
             ]);
@@ -645,11 +645,11 @@ class ExportController
             foreach ($attachments as $attachment) {
                 $date  = new \DateTime($attachment['creation_date']);
                 if (!empty($aSignatureDates[$attachment['res_id']])) {
-                    $aSignatureDates[$attachment['res_id']] .= "\n";
+                    $aSignatureDates[$attachment['res_id_master']] .= "\n";
                 } else {
-                    $aSignatureDates[$attachment['res_id']] = '';
+                    $aSignatureDates[$attachment['res_id_master']] = '';
                 }
-                $aSignatureDates[$attachment['res_id']] .= $date->format('d-m-Y H:i');
+                $aSignatureDates[$attachment['res_id_master']] .= $date->format('d-m-Y H:i');
             }
         }