diff --git a/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/KitchenSink.java b/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/KitchenSink.java
index 0a08558..fc6916b 100644
--- a/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/KitchenSink.java
+++ b/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/KitchenSink.java
@@ -107,8 +107,10 @@
         info.getColor());
 
     // Display the new sink.
+    curSink.setVisible(false);
     panel.add(curSink);
     panel.setCellHorizontalAlignment(curSink, VerticalPanel.ALIGN_CENTER);
+    curSink.setVisible(true);
     curSink.onShow();
   }
 
diff --git a/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/Popups.java b/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/Popups.java
index 23b2687..070fa08 100644
--- a/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/Popups.java
+++ b/samples/kitchensink/src/com/google/gwt/sample/kitchensink/client/Popups.java
@@ -128,7 +128,9 @@
     } else if (sender == dialogButton) {
       DialogBox dlg = new MyDialog();
       dlg.show();
+      dlg.setVisible(false);
       dlg.center();
+      dlg.setVisible(true);
     }
   }