diff --git a/application/core/MY_Controller.php b/application/core/MY_Controller.php
index 58b386a..5e7ed0d 100644
--- a/application/core/MY_Controller.php
+++ b/application/core/MY_Controller.php
@@ -53,7 +53,8 @@ class MY_Controller extends CI_Controller{
 //    public $version = '1.17.66'; // instrument diversiteit po 2203
 //    public $version = '1.17.67'; // logo en foto koko
 //    public $version = '1.17.70'; // bopropswop
-    public $version = '1.17.72'; // data2mysql fout
+//    public $version = '1.17.72'; // data2mysql fout
+    public $version = '1.17.73'; // 0-waarden aantal tlvs in omvang extra ondersteuning
 
     public $partituurid;
 	public $globProfielVersieID = 1;