diff --git a/includes/output.inc b/includes/output.inc
index f036e34..e08a3fe 100644
--- a/includes/output.inc
+++ b/includes/output.inc
@@ -136,6 +136,9 @@ function drush_format($input, $label = NULL, $format = NULL) {
  */
 function dt($string, $args = array()) {
   if (function_exists('t') && (drush_drupal_version() >= 7 || function_exists('theme'))) {
+    if (function_exists('drupal_classloader')) {
+      drupal_classloader();
+    }
     return t($string, $args);
   }
   else {