diff --git a/includes/form.inc b/includes/form.inc
index 3b2032eb72..77eced6fe9 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -4121,6 +4121,10 @@ function form_process_weight($element) {
     for ($n = (-1 * $element['#delta']); $n <= $element['#delta']; $n++) {
       $weights[$n] = $n;
     }
+    if (!empty($element['#default_value']) && !in_array($element['#default_value'], $weights)) {
+      $weights[$element['#default_value']] = $element['#default_value'];
+      ksort($weights);
+    }
     $element['#options'] = $weights;
     $element += element_info('select');
   }