diff --git a/e_activist.module b/e_activist.module
index 7c59045..89e7b52 100644
--- a/e_activist.module
+++ b/e_activist.module
@@ -98,7 +98,7 @@ function _e_activist_add_body(&$node, $components) {
  * Adds a class to document body for styling purposes.
  */
 function e_activist_preprocess_page(&$vars) {
-  $classes = split(' ', $vars['body_classes']);
+  $classes = explode(' ', $vars['body_classes']);
   $classes[] = 'activist-action';
   $vars['body_classes'] = implode(' ', $classes);
 }