diff --git a/demo/chatdialog.ui b/demo/chatdialog.ui
index ed466e7..072d139 100644
--- a/demo/chatdialog.ui
+++ b/demo/chatdialog.ui
@@ -17,7 +17,7 @@
         <number>6</number>
       </property>
       <item>
-        <layout class="QHBoxLayout">
+        <layout class="QVBoxLayout">
           <property name="margin">
            <number>0</number>
           </property>
@@ -25,6 +25,13 @@
             <number>6</number>
           </property>
           <item>
+            <widget class="DigestTreeViewer" name="treeViewer">
+            <property name="focusPolicy">
+              <enum>Qt::NoFocus</enum>
+            </property>
+            </widget>
+          </item>
+          <item>
             <widget class="QTextEdit" name="textEdit">
               <property name="focusPolicy">
                 <enum>Qt::NoFocus</enum>
@@ -34,13 +41,6 @@
               </property>
             </widget>
           </item>
-          <item>
-            <widget class="QListWidget" name="listWidget">
-              <property name="focusPolicy">
-                <enum>Qt::NoFocus</enum>
-              </property>
-            </widget>
-          </item>
         </layout>
       </item>
       <item>