diff -Ndaur a/date_single_day.module b/date_single_day.module
--- a/date_single_day.module	2010-05-26 23:21:05.000000000 +0300
+++ b/date_single_day.module	2010-08-24 02:54:15.771740478 +0300
@@ -13,7 +13,7 @@
  * Cribbed from http://www.gizra.com/content/hookwidgetsettingsalter-and-pandora
  */
 function date_single_day_widget_settings_alter(&$settings, $op, $widget) {
-  $widget_types = array('date_popup');
+  $widget_types = array('date_popup','date_popup_repeat');
   if ((!empty($widget['type']) && in_array($widget['type'], $widget_types)) || (!empty($widget['widget_type']) && in_array($widget['widget_type'], $widget_types))) {
     switch ($op) {
       case 'form':
@@ -50,10 +50,15 @@
           // Alter each value of a potentially multiple valued field.
           // Note we don't use element_children() because that catches the
           // 'add more' button.
-          foreach (array_keys($form[$field_name]) as $key) {
-            if (is_numeric($key)) {
-              $form[$field_name][$key]['#after_build'][] = 'date_single_day_after_build';
-              $form[$field_name][$key]['#theme'][] = 'date_single_day_element';
+          if ( isset($form[$field_name]['rrule']) ){
+            $form[$field_name]['#after_build'][] = 'date_single_day_after_build';
+            $form[$field_name]['#theme'][] = 'date_single_day_element';
+          } else {
+            foreach (array_keys($form[$field_name]) as $key) {
+              if (is_numeric($key)) {
+                $form[$field_name][$key]['#after_build'][] = 'date_single_day_after_build';
+                $form[$field_name][$key]['#theme'][] = 'date_single_day_element';
+              }
             }
           }
         }
@@ -121,7 +126,10 @@
   
   $form['value2']['time']['#title'] = 'To time';
   $output .= drupal_render($form['value2']['time']);
-  
+  if ( isset($form['rrule']) ) {
+    $output .= drupal_render($form['rrule']);
+  }
+
   $output .= '</div>'; 
   
   return $output;