diff --git a/theme/theme.inc b/theme/theme.inc
index 5cda7d9..590d1eb 100644
--- a/theme/theme.inc
+++ b/theme/theme.inc
@@ -53,6 +53,8 @@ function template_preprocess_views_view(&$vars) {
   $vars['display_id'] = $view->current_display;
 
   // Basic classes
+  $vars['css_class'] = '';
+
   $vars['classes_array'] = array();
   $vars['classes_array'][] = 'view';
   $vars['classes_array'][] = 'view-' . drupal_clean_css_identifier($vars['name']);