--- birthdays.init/birthdays.module	2012-04-08 12:51:30.000000000 -0700
+++ birthdays/birthdays.module	2012-05-04 17:53:47.000000000 -0700
@@ -737,7 +737,7 @@ function birthdays_form_user($edit, $acc
   drupal_add_css(drupal_get_path('module','birthdays') . '/birthdays.css', 'module');
 
   // If the called category is the category of the form field
-  if ($category == $_birthdays_field->category || ($_birthdays_field->register && $register)) {
+  if ($category == $_birthdays_field->category || ($_birthdays_field->register && $register) || (module_exists('onepageprofile') && $category == 'account')) {
     // If the hiding of the year is a user option: show the option
     if (variable_get('birthdays_hide_year', BIRTHDAYS_HIDE_YEAR_NO) == BIRTHDAYS_HIDE_YEAR_USER) {
       $form[$_birthdays_field->category][$_birthdays_field->name]['birthdays_user_hide_year'] = array(