diff --git a/source/class/qxl/datagrid/column/tree/ExpansionWidget.js b/source/class/qxl/datagrid/column/tree/ExpansionWidget.js
index 437a4c6..437abb0 100644
--- a/source/class/qxl/datagrid/column/tree/ExpansionWidget.js
+++ b/source/class/qxl/datagrid/column/tree/ExpansionWidget.js
@@ -96,6 +96,10 @@ qx.Class.define("qxl.datagrid.column.tree.ExpansionWidget", {
   },
 
   members: {
+    _forwardStates: {
+      selected: true
+    },
+
     /**
      * Apply for `value`
      */