From 9915c9e7313b30d5393adca76f1756fcce8f16b2 Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Fri, 13 Nov 2020 09:54:01 +0100
Subject: [PATCH] Fixed Telegram group chatid not supported

Fixed Telegram group chatid not supported (#9831)
---
 CHANGELOG.md                 | 1 +
 RELEASENOTES.md              | 1 +
 tasmota/xdrv_40_telegram.ino | 4 ++--
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 436cf5e5a..04c2dd4ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 - NTP fallback server functionality (#9739)
+- Telegram group chatid not supported (#9831)
 
 ### Removed
 - Version compatibility check
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index cbabcd046..251b6396b 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -72,6 +72,7 @@ The attached binaries can also be downloaded from http://ota.tasmota.com/tasmota
 
 ### Fixed
 - NTP fallback server functionality (#9739)
+- Telegram group chatid not supported (#9831)
 
 ### Removed
 - Version compatibility check
diff --git a/tasmota/xdrv_40_telegram.ino b/tasmota/xdrv_40_telegram.ino
index 2ab1eb775..e959268d2 100644
--- a/tasmota/xdrv_40_telegram.ino
+++ b/tasmota/xdrv_40_telegram.ino
@@ -66,7 +66,7 @@ typedef struct {
 //  String from_last_name;
 //  uint32_t from_id = 0;
   uint32_t update_id = 0;
-  uint32_t chat_id = 0;
+  int32_t chat_id = 0;
 } TelegramMessage;
 
 struct {
@@ -248,7 +248,7 @@ void TelegramGetUpdates(uint32_t offset) {
   }
 }
 
-bool TelegramSendMessage(uint32_t chat_id, String text) {
+bool TelegramSendMessage(int32_t chat_id, String text) {
   AddLog_P(LOG_LEVEL_DEBUG_MORE, PSTR("TGM: sendMessage"));
 
   if (!TelegramInit()) { return false; }