From b3ac2949c102d9569c14f6f20af31283fed6b459 Mon Sep 17 00:00:00 2001
From: Anders Svensson <anders@erlang.org>
Date: Thu, 24 Aug 2017 20:13:15 +0200
Subject: Fix minor monitor blunder in diameter_reg

Commit 58091992 discarded a new monitor reference, so didn't avoid
multiple monitors as was the intention. The blunder was harmless since
all but the first DOWN message resulted in notifications.
---
 lib/diameter/src/base/diameter_reg.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/diameter/src/base/diameter_reg.erl b/lib/diameter/src/base/diameter_reg.erl
index 97e74657bd..e6a82e1764 100644
--- a/lib/diameter/src/base/diameter_reg.erl
+++ b/lib/diameter/src/base/diameter_reg.erl
@@ -339,7 +339,7 @@ insert(true, Rec) ->
 add(true, {_Key, Pid} = Rec, S) ->
     NS = add_monitor(Pid, S),
     {Recvs, RD} = add(Rec, NS),
-    {Recvs, S#state{receivers = RD}};
+    {Recvs, NS#state{receivers = RD}};
 
 add(false = No, _, S) ->
     {No, S}.
-- 
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