diff --git a/src/vdirectorytree.cpp b/src/vdirectorytree.cpp
index 61791711..4a7516f7 100644
--- a/src/vdirectorytree.cpp
+++ b/src/vdirectorytree.cpp
@@ -222,6 +222,7 @@ void VDirectoryTree::updateItemChildren(QTreeWidgetItem *p_item)
             fillTreeItem(*item, dir->getName(), dir, QIcon(":/resources/icons/dir_item.svg"));
             updateDirectoryTreeOne(item, 1);
         }
+        expandItemTree(item);
     }
 
     // Delete items without corresponding VDirectory
@@ -644,3 +645,19 @@ QTreeWidgetItem *VDirectoryTree::expandToVDirectory(const VDirectory *p_director
     }
     return NULL;
 }
+
+void VDirectoryTree::expandItemTree(QTreeWidgetItem *p_item)
+{
+    if (!p_item) {
+        return;
+    }
+    VDirectory *dir = getVDirectory(p_item);
+    int nrChild = p_item->childCount();
+    for (int i = 0; i < nrChild; ++i) {
+        expandItemTree(p_item->child(i));
+    }
+    if (dir->isExpanded()) {
+        Q_ASSERT(nrChild > 0);
+        expandItem(p_item);
+    }
+}
diff --git a/src/vdirectorytree.h b/src/vdirectorytree.h
index 1dfd4b51..d22141a2 100644
--- a/src/vdirectorytree.h
+++ b/src/vdirectorytree.h
@@ -63,6 +63,8 @@ private:
     void updateChildren(QTreeWidgetItem *p_item);
     // Expand/create the directory tree nodes to @p_directory.
     QTreeWidgetItem *expandToVDirectory(const VDirectory *p_directory);
+    // Expand the tree under @p_item according to VDirectory.isOpened().
+    void expandItemTree(QTreeWidgetItem *p_item);
 
     VNote *vnote;
     QPointer<VNotebook> m_notebook;