Index: nparser.php
===================================================================
--- nparser.php	(revision 15364)
+++ nparser.php	(working copy)
@@ -567,9 +567,9 @@
 
 			// don't use kDBItem::Update(), because it will change ModifiedById to current front-end user
 			$sql = 'UPDATE ' . $page->TableName . '
-					SET PageCacheKey = ' . $page->Conn->qstr($page_cache_key) . '
+					SET PageCacheKey = ' . $this->Conn->qstr($page_cache_key) . '
 					WHERE ' . $page->IDField . ' = ' . $page->GetID();
-			$page->Conn->Query($sql);
+			$this->Conn->Query($sql);
 
 			// increment serial, because we issue direct sql above!
 			$this->Application->incrementCacheSerial('c');