diff --git a/includes/ajax.inc b/includes/ajax.inc
index 8b80d4f..157aa27 100644
--- a/includes/ajax.inc
+++ b/includes/ajax.inc
@@ -50,7 +50,7 @@ function views_ajax() {
 
       // Add all $_POST data, because AJAX is always a post and many things,
       // such as tablesorts, exposed filters and paging assume $_GET.
-      $_GET += $_POST;
+      $_GET = $_POST + $_GET;
 
       // Overwrite the destination.
       // @see drupal_get_destination()