diff --git a/nw/gui/doctree.py b/nw/gui/doctree.py
index 38135ec5..c35d443c 100644
--- a/nw/gui/doctree.py
+++ b/nw/gui/doctree.py
@@ -296,7 +296,7 @@ class GuiDocTree(QTreeWidget):
 
     def buildTree(self):
         self.clear()
-        for tHandle in self.theProject.projTree:
+        for tHandle in self.theProject.treeOrder:
             nwItem = self.theProject.projTree[tHandle]
             self._addTreeItem(nwItem)
         return True