diff --git a/handlers/views_handler_filter_in_operator.inc b/handlers/views_handler_filter_in_operator.inc
index fc2700b..52f6f44 100644
--- a/handlers/views_handler_filter_in_operator.inc
+++ b/handlers/views_handler_filter_in_operator.inc
@@ -157,7 +157,7 @@ class views_handler_filter_in_operator extends views_handler_filter {
 
     if (empty($form_state['exposed'])) {
       // Add a select all option to the value form.
-      $options = array('all' => t('Select all'));
+      $options = array('All' => t('Select all'));
     }
 
     $this->get_value_options();