From 3f038e5ba0628516e03c7c57aa0ad9bb4909a006 Mon Sep 17 00:00:00 2001
From: proddy <paul@derbyshire.nl>
Date: Tue, 6 Oct 2026 21:42:51 +0200
Subject: [PATCH] Ack polls during gateway Tx hold (#3094)

---
 src/core/emsesp.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/emsesp.cpp b/src/core/emsesp.cpp
index 5ca642a76..977b3c2b9 100644
--- a/src/core/emsesp.cpp
+++ b/src/core/emsesp.cpp
@@ -1703,6 +1703,8 @@ void EMSESP::incoming_telegram(uint8_t * data, const uint8_t length) {
         // check for poll to us, if so send top message from Tx queue immediately and quit
 #ifdef EMSESP_GATEWAY_TX_HOLD
         if (poll_id == EMSbus::ems_bus_id() && gateway_tx_hold()) {
+            // still ack the poll, otherwise the master drops us from 0x07 and the gateway sees the device list change
+            txservice_.send_poll();
             return;
         }
 #endif