diff --git a/source/branches/CLASSV3/Model/XS/XSM_CLOSEST.hxx b/source/branches/CLASSV3/Model/XS/XSM_CLOSEST.hxx
index 809f1c4b6fa72c8aaa7b0a83ffc13f732e2ced67..1bb835deda8f10cb1843bb6fed7eb20b8d9be2e7 100644
--- a/source/branches/CLASSV3/Model/XS/XSM_CLOSEST.hxx
+++ b/source/branches/CLASSV3/Model/XS/XSM_CLOSEST.hxx
@@ -42,8 +42,8 @@ class XSM_CLOSEST : public XSModel
 	 \name Constructor/Desctructor
 	 */
 	//@{
-	XSM_CLOSEST(string DB_index_file, bool oldreadmethod = true );
-	XSM_CLOSEST(CLASSLogger* Log, string DB_index_file, bool oldreadmethod = true );
+	XSM_CLOSEST(string DB_index_file, bool oldreadmethod = false );
+	XSM_CLOSEST(CLASSLogger* Log, string DB_index_file, bool oldreadmethod = false );
 	~XSM_CLOSEST();
 	//{