From 0fb4e2bf6a87f3202e62ae19007adef2d2a454ba Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Thu, 22 Dec 2022 13:21:42 +0000
Subject: [PATCH] Fix incorrect topic-alias property value in mosquitto_sub
 json output.

---
 ChangeLog.txt              | 4 ++++
 client/sub_client_output.c | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 1140dd3b..aa01d5a4 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -6,6 +6,10 @@ Broker:
 - Fix std* files not being redirected when daemonising, when built with
   assertions removed. Closes #2708.
 
+Clients:
+- Fix incorrect topic-alias property value in mosquitto_sub json output.
+
+
 2.0.15 - 2022-08-16
 ===================
 
diff --git a/client/sub_client_output.c b/client/sub_client_output.c
index acefa167..8bf7cdb5 100644
--- a/client/sub_client_output.c
+++ b/client/sub_client_output.c
@@ -210,7 +210,7 @@ static int json_print_properties(cJSON *root, const mosquitto_property *properti
 				break;
 
 			case MQTT_PROP_TOPIC_ALIAS:
-				mosquitto_property_read_int16(prop, MQTT_PROP_MESSAGE_EXPIRY_INTERVAL, &i16value, false);
+				mosquitto_property_read_int16(prop, MQTT_PROP_TOPIC_ALIAS, &i16value, false);
 				tmp = cJSON_CreateNumber(i16value);
 				break;