diff --git a/org.eclipse.scout.rt.ui.rap.incubator.filechooser/src/org/eclipse/scout/rt/ui/rap/form/fields/filechooserfield/RwtScoutFileUploadField.java b/org.eclipse.scout.rt.ui.rap.incubator.filechooser/src/org/eclipse/scout/rt/ui/rap/form/fields/filechooserfield/RwtScoutFileUploadField.java
index d0e4a91..4ab1340 100644
--- a/org.eclipse.scout.rt.ui.rap.incubator.filechooser/src/org/eclipse/scout/rt/ui/rap/form/fields/filechooserfield/RwtScoutFileUploadField.java
+++ b/org.eclipse.scout.rt.ui.rap.incubator.filechooser/src/org/eclipse/scout/rt/ui/rap/form/fields/filechooserfield/RwtScoutFileUploadField.java
@@ -11,6 +11,7 @@
 package org.eclipse.scout.rt.ui.rap.form.fields.filechooserfield;
 
 import java.io.File;
+import java.util.List;
 import java.util.concurrent.atomic.AtomicReference;
 
 import org.eclipse.core.runtime.IStatus;
@@ -413,11 +414,11 @@
       Menu contextMenu = (Menu) e.getSource();
       cleanUpMenuItems(contextMenu);
 
-      final AtomicReference<IMenu[]> scoutMenusRef = new AtomicReference<IMenu[]>();
+      final AtomicReference<List<IMenu>> scoutMenusRef = new AtomicReference<List<IMenu>>();
       Runnable t = new Runnable() {
         @Override
         public void run() {
-          IMenu[] scoutMenus = getScoutObject().getUIFacade().firePopupFromUI();
+          List<IMenu> scoutMenus = getScoutObject().getUIFacade().firePopupFromUI();
           scoutMenusRef.set(scoutMenus);
         }
       };