From d0779d94a7f7694b25de55e9abcde785eacb4625 Mon Sep 17 00:00:00 2001
From: Paul C Diem <PCDiem@FoxValley.net>
Date: Tue, 23 Feb 2021 15:59:50 -0600
Subject: [PATCH] Check device range when SO88 enabled

---
 tasmota/support_device_groups.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasmota/support_device_groups.ino b/tasmota/support_device_groups.ino
index 44e0c5106..f85b801a5 100644
--- a/tasmota/support_device_groups.ino
+++ b/tasmota/support_device_groups.ino
@@ -402,7 +402,7 @@ void SendReceiveDeviceGroupMessage(struct device_group * device_group, struct de
           case DGR_ITEM_POWER:
             if (Settings.flag4.multiple_device_groups) {  // SetOption88 - Enable relays in separate device groups
               uint32_t device = Settings.device_group_tie[device_group_index];
-              if (device) {
+              if (device && device <= TasmotaGlobal.devices_present) {
                 bool on = (value & 1);
                 if (on != ((TasmotaGlobal.power >> (device - 1)) & 1)) ExecuteCommandPower(device, (on ? POWER_ON : POWER_OFF), SRC_REMOTE);
               }