diff --git a/Geo/Chain.h b/Geo/Chain.h
index 0873fe487652c11c0bdb227db285b15061f45dbc..b60e02b49017a7000209fde8039b9934c3a6342c 100644
--- a/Geo/Chain.h
+++ b/Geo/Chain.h
@@ -518,7 +518,7 @@ void Chain<C>::addToModel(GModel* m, bool post,
     if(opt->tangents == 0) opt->tangents = size;
     if(opt->normals == 0) opt->normals = size;
     view->setOptions(opt);
-    updateFltkTree();
+    //updateFltkTree();
   }
 #endif
 }