From 40e13224f7cf485c051a07943306f0c99ab17272 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Tue, 12 Dec 2017 10:48:05 +0100
Subject: [PATCH] follow-up d1b8a6fae6d44e78c8093b01321f8d430442b687

---
 lib/network.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/network.py b/lib/network.py
index 5708b1732..5c6e38885 100644
--- a/lib/network.py
+++ b/lib/network.py
@@ -804,12 +804,13 @@ class Network(util.DaemonThread):
             interface.print_error("unsolicited header",interface.request, height)
             self.connection_down(interface.server)
             return
-        can_connect = blockchain.can_connect(header)
         chain = blockchain.check_header(header)
         if interface.mode == 'backward':
+            can_connect = blockchain.can_connect(header)
             if can_connect and can_connect.catch_up is None:
                 interface.mode = 'catch_up'
                 interface.blockchain = can_connect
+                interface.blockchain.save_header(header)
                 next_height = height + 1
                 interface.blockchain.catch_up = interface.server
             elif chain: