diff --git a/code/DMSDocument.php b/code/DMSDocument.php
index 24ff878..8495127 100755
--- a/code/DMSDocument.php
+++ b/code/DMSDocument.php
@@ -45,7 +45,7 @@ class DMSDocument extends DataObject implements DMSDocumentInterface {
 	function addPage($pageObject) {
 		$this->Pages()->add($pageObject);
 
-		DB::query("UPDATE DMSDocument_Pages SET DocumentSort=DocumentSort+1 WHERE SiteTreeID = $pageObject->ID");
+		DB::query("UPDATE \"DMSDocument_Pages\" SET \"DocumentSort\"=\"DocumentSort\"+1 WHERE \"SiteTreeID\" = $pageObject->ID");
 	}
 	
 	/**