diff --git a/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java b/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java
index 4a269baab5..9332301a63 100644
--- a/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java
+++ b/designer/src/com/fr/design/dscolumn/SelectedDataColumnPane.java
@@ -261,7 +261,7 @@ public class SelectedDataColumnPane extends BasicPane {
 
     protected void initTableNameComboBox() {
         tableNameComboBox = new TableDataComboBox(DesignTableDataManager.getEditingTableDataSource());
-        ExecutorService executorService = Executors.newSingleThreadExecutor();
+        final ExecutorService executorService = Executors.newSingleThreadExecutor();
         tableNameComboBox.addItemListener(new ItemListener() {
             @Override
             public void itemStateChanged(ItemEvent e) {