diff --git a/modules/gui/src/com/haulmont/cuba/gui/components/TreeTable.java b/modules/gui/src/com/haulmont/cuba/gui/components/TreeTable.java
index 487721a491..33f12aad62 100644
--- a/modules/gui/src/com/haulmont/cuba/gui/components/TreeTable.java
+++ b/modules/gui/src/com/haulmont/cuba/gui/components/TreeTable.java
@@ -2,15 +2,15 @@
  * Copyright (c) 2008 Haulmont Technology Ltd. All Rights Reserved.
  * Haulmont Technology proprietary and confidential.
  * Use is subject to license terms.
-
- * Author: Dmitry Abramov
- * Created: 06.04.2009 10:32:22
- * $Id$
  */
 package com.haulmont.cuba.gui.components;
 
 import com.haulmont.cuba.gui.data.HierarchicalDatasource;
 
+/**
+ * @author abramov
+ * @version $Id$
+ */
 public interface TreeTable extends Table {
 
     String NAME = "treeTable";
@@ -27,4 +27,4 @@ public interface TreeTable extends Table {
     int getLevel(Object itemId);
 
     boolean isExpanded(Object itemId);
-}
+}
\ No newline at end of file
diff --git a/modules/web/src/com/haulmont/cuba/web/gui/components/WebTreeTable.java b/modules/web/src/com/haulmont/cuba/web/gui/components/WebTreeTable.java
index 8e026fa5e7..871679991c 100644
--- a/modules/web/src/com/haulmont/cuba/web/gui/components/WebTreeTable.java
+++ b/modules/web/src/com/haulmont/cuba/web/gui/components/WebTreeTable.java
@@ -120,7 +120,7 @@ public class WebTreeTable
     public boolean isExpanded(Object itemId) {
         for (Object id : component.getItemIds()) {
             if (ObjectUtils.equals(id, itemId)) {
-                return component.isCollapsed(id);
+                return !component.isCollapsed(id);
             }
         }
         return false;