Index: plugins/views_plugin_cache.inc
===================================================================
--- plugins/views_plugin_cache.inc	(revision 1620)
+++ plugins/views_plugin_cache.inc	(working copy)
@@ -261,7 +261,8 @@
 
   function get_results_key() {
     if (!isset($this->_results_key)) {
-      $this->_results_key = $this->view->name . ':' . $this->display->id . ':results:' . $this->get_cache_key();
+      $this->_results_key = $this->view->name . ':' . ':results:' . $this->get_cache_key();
     }
 
     return $this->_results_key;