diff --git a/inc/container.class.php b/inc/container.class.php
index 092ed003..53ac907b 100644
--- a/inc/container.class.php
+++ b/inc/container.class.php
@@ -586,12 +586,22 @@ static function getTypeName($nb = 0) {
    }
 
    public function showForm($ID, $options = []) {
-      global $CFG_GLPI;
-
-      echo "<div class='center'><a class='vsubmit' href='export_to_yaml.php?id=".$ID."'><i class='pointer fa fa-refresh'></i>&nbsp;".
-      __("Export to YAML", "fields")."</a></div><br>";
 
       $this->initForm($ID, $options);
+
+      if (!$this->isNewID($ID)) {
+         $btn_url   = Plugin::getWebDir('fields') . '/front/export_to_yaml.php?id=' . $ID;
+         $btn_label = __("Export to YAML", "fields");
+         $export_btn = <<<HTML
+            <a href="{$btn_url}" class="btn btn-ghost-secondary"
+                     title="{$btn_label}"
+                     data-bs-toggle="tooltip" data-bs-placement="bottom">
+               <i class="fas fa-file-export fa-lg"></i>
+            </a>
+         HTML;
+         $options['header_toolbar'] = [$export_btn];
+      }
+
       $this->showFormHeader($options);
       $rand = mt_rand();
 
