From 987701c5fcbe3cf196444f07576e438be64b26c8 Mon Sep 17 00:00:00 2001
From: Nick Hall <nick__hall@hotmail.com>
Date: Mon, 3 Dec 2012 00:49:51 +0000
Subject: [PATCH] Fix bug in undo history dialog

svn: r20755
---
 gramps/gui/undohistory.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gramps/gui/undohistory.py b/gramps/gui/undohistory.py
index 457128478..a1ea2aabb 100644
--- a/gramps/gui/undohistory.py
+++ b/gramps/gui/undohistory.py
@@ -119,7 +119,7 @@ class UndoHistory(ManagedWindow):
 
     def _selection_changed(self, obj):
         (model, node) = self.selection.get_selected()
-        if not node:
+        if not node or len(self.model) == 1:
             return
         path = self.model.get_path(node)
         start = min(path[0], self.undodb.undo_count)