diff --git a/include/ajax.tickets.php b/include/ajax.tickets.php
index 42b6cfd62b..bb361825a0 100644
--- a/include/ajax.tickets.php
+++ b/include/ajax.tickets.php
@@ -641,6 +641,9 @@ function editField($tid, $fid) {
                         if (strlen($clean) > 200)
                              $clean = Format::truncate($clean, 200);
                         break;
+                    case $field instanceof BooleanField:
+                        $clean = $field->toString($field->getClean());
+                        break;
                     default:
                         $clean =  $field->getClean();
                         $clean = is_array($clean) ? implode($clean, ',') :