diff --git a/casetracker.module b/casetracker.module
index 1c43065..e410427 100755
--- a/casetracker.module
+++ b/casetracker.module
@@ -955,6 +955,9 @@ function theme_casetracker_case_form_common($form) {
         $radios[] = drupal_render($form['assign_to'][$id]);
       }
       $radios = array_chunk($radios, 5);
+      end($radios);
+      $last = &$radios[key($radios)];
+      $last = array_pad($last, 5, array());
       $output .= theme('table', array(
         'header' => $header,
         'rows' => $radios,