From 597141b8ea69ab5917c07b9546cde3b28c0308aa Mon Sep 17 00:00:00 2001
From: milek7 <me@milek7.pl>
Date: Thu, 6 Jan 2022 17:48:04 +0100
Subject: [PATCH] missing dsbBuzzer check

---
 Train.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Train.cpp b/Train.cpp
index 70c4f8e8..a82ecb10 100644
--- a/Train.cpp
+++ b/Train.cpp
@@ -7731,7 +7731,7 @@ TTrain::update_sounds( double const Deltatime ) {
     if( mvOccupied->Power24vIsAvailable || mvOccupied->Power110vIsAvailable ) {
         // McZapkie-141102: SHP i czuwak, TODO: sygnalizacja kabinowa
             // hunter-091012: rozdzielenie alarmow
-        if (mvOccupied->SecuritySystem.is_beeping()) {
+        if (dsbBuzzer && mvOccupied->SecuritySystem.is_beeping()) {
 
             if( false == dsbBuzzer->is_playing() ) {
                 dsbBuzzer->pitch( dsbBuzzer->m_frequencyoffset + dsbBuzzer->m_frequencyfactor );