From 66112061d6820265f1d9157f5a62132ae76c6528 Mon Sep 17 00:00:00 2001
From: Jan-Philipp Litza <janphilipp@litza.de>
Date: Sat, 20 Sep 2014 12:42:40 +0200
Subject: [PATCH] Fix adding of nodes with multiple matching alises

---
 ffmap/nodedb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffmap/nodedb.py b/ffmap/nodedb.py
index 0be76b0..344ed29 100644
--- a/ffmap/nodedb.py
+++ b/ffmap/nodedb.py
@@ -42,7 +42,7 @@ class NodeDB(dict):
             if id_ == node_id:
                 continue
             if id_ in self:
-                if node is not None:
+                if node is not None and node is not self[id_]:
                     raise AmbiguityError([node_id, id_])
                 node = self[id_]
                 node_id = id_