From bdae9521cb4f5d55a1feb906cf6f7b5b8e443a60 Mon Sep 17 00:00:00 2001
From: David Baker <dave@matrix.org>
Date: Wed, 1 Mar 2017 17:35:18 +0000
Subject: [PATCH] Copy session ID too

---
 src/interactive-auth.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/interactive-auth.js b/src/interactive-auth.js
index 135760d99..dddae0f5e 100644
--- a/src/interactive-auth.js
+++ b/src/interactive-auth.js
@@ -241,8 +241,10 @@ InteractiveAuth.prototype = {
                     // doesn't look like an interactive-auth failure. fail the whole lot.
                     throw error;
                 }
-                // if the error didn't come with flows, copy over the ones we have
+                // if the error didn't come with flows or session ID,
+                // copy over the ones we have
                 if (!error.data.flows) error.data.flows = self._data.flows;
+                if (!error.data.session) error.data.session = self._data.session;
                 self._data = error.data;
                 self._startNextAuthStage();
             },