diff --git a/inc/abstractitiltarget.class.php b/inc/abstractitiltarget.class.php
index 50e91c11d..a1a5fbf75 100644
--- a/inc/abstractitiltarget.class.php
+++ b/inc/abstractitiltarget.class.php
@@ -2331,7 +2331,7 @@ protected function prepareUploadedFiles(array $data): array {
       foreach (PluginFormcreatorCommon::getDocumentsFromTag($data['content']) as $document) {
          $prefix = uniqid('', true);
          $filename = $prefix . 'image_paste.' . pathinfo($document['filename'], PATHINFO_EXTENSION);
-         if (!copy(GLPI_DOC_DIR . '/' . $document['filepath'], GLPI_TMP_DIR . '/' . $filename)) {
+         if (!@copy(GLPI_DOC_DIR . '/' . $document['filepath'], GLPI_TMP_DIR . '/' . $filename)) {
             continue;
          }