diff --git a/xmlsitemap.admin.inc b/xmlsitemap.admin.inc
index 8454aec..a572a6f 100644
--- a/xmlsitemap.admin.inc
+++ b/xmlsitemap.admin.inc
@@ -230,7 +230,7 @@ function xmlsitemap_sitemap_delete_form(array $form, array &$form_state, stdClas
 
   $count = (int) db_query("SELECT COUNT(smid) FROM {xmlsitemap_sitemap}")->fetchField();
   if ($count === 1 && empty($_POST)) {
-    drupal_set_message('It is not recommended to delete the only XML sitemap.', 'error');
+    drupal_set_message(t('It is not recommended to delete the only XML sitemap.'), 'error');
   }
 
   $form['#sitemap'] = $sitemap;