--- a/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/bundu/BunduWstCalcSelectRadioPanel.java	Thu Aug 02 15:06:22 2018 +0200
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/bundu/BunduWstCalcSelectRadioPanel.java	Thu Aug 02 17:39:13 2018 +0200
@@ -16,6 +16,10 @@
 
 public class BunduWstCalcSelectRadioPanel extends RadioPanel {
 
+    public BunduWstCalcSelectRadioPanel(final String datakey) {
+        super(datakey);
+    }
+
     private static final long serialVersionUID = 3357071563224461043L;
 
     @Override
@@ -24,7 +28,7 @@
         final String value = this.form.getValueAsString("selection");
 
         final DataItem item = new DefaultDataItem("label_irrelevant", "description_irrelevant", value);
-        final DefaultData selection = new DefaultData(this.dataName, "label_no_effect", "description_no_effect", new DataItem[] { item });
+        final DefaultData selection = new DefaultData(getDatakey(), "label_no_effect", "description_no_effect", new DataItem[] { item });
         if (value.equals("state.bundu.calc.auto")) {
             final Data[] data = new Data[2];
             data[0] = selection;