diff --git a/components/select.inc b/components/select.inc
index 67d3410..e8ae024 100644
--- a/components/select.inc
+++ b/components/select.inc
@@ -317,6 +317,9 @@ function _webform_render_select($component, $value = NULL, $filter = TRUE) {
   elseif ($component['extra']['multiple']) {
     $element['#default_value'] = array();
   }
+  else {
+    $element['#default_value'] = FALSE;
+  }
 
   if ($component['extra']['other_option'] && module_exists('select_or_other')) {
     // Set display as a select list: