From 60a012efd2cc14121ef34d647d03d4fe511945a9 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Fri, 13 Sep 2019 10:35:28 +0200
Subject: [PATCH] Small improvement

---
 app/src/main/java/eu/faircode/email/Core.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/Core.java b/app/src/main/java/eu/faircode/email/Core.java
index 2a445e9979..3efb8d59aa 100644
--- a/app/src/main/java/eu/faircode/email/Core.java
+++ b/app/src/main/java/eu/faircode/email/Core.java
@@ -1607,7 +1607,8 @@ class Core {
             } else {
                 if (process) {
                     EntityIdentity identity = matchIdentity(context, folder, message);
-                    if (identity != null) {
+                    if (identity != null &&
+                            (message.identity == null || !message.identity.equals(identity.id))) {
                         message.identity = identity.id;
                         Log.i(folder.name + " updated id=" + message.id + " identity=" + identity.id);
                     }