diff --git a/contrib/src/gizmos/splittree.cpp b/contrib/src/gizmos/splittree.cpp
index 709d86f729..00f6902a03 100644
--- a/contrib/src/gizmos/splittree.cpp
+++ b/contrib/src/gizmos/splittree.cpp
@@ -311,7 +311,7 @@ void wxRemotelyScrolledTreeCtrl::AdjustRemoteScrollbars()
         if (scrolledWindow)
         {
             wxRect itemRect;
-            if (GetBoundingRect(GetRootItem(), itemRect))
+            if (GetBoundingRect(GetFirstVisibleItem(), itemRect))
             {
                 // Actually, the real height seems to be 1 less than reported
                 // (e.g. 16 instead of 16)
diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index bfe95ab1f7..5dcb0867c0 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -1921,6 +1921,13 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
                                  bool textOnly) const
 {
     RECT rc;
+
+    // Virtual root items have no bounding rectangle
+    if ( IS_VIRTUAL_ROOT(item) )
+    {
+        return false;
+    }
+
     if ( TreeView_GetItemRect(GetHwnd(), HITEM(item),
                               &rc, textOnly) )
     {