check if ar_engine is not nullptr

RigsOfRods · Mar 5, 2021 · abebe86 · abebe86
1 parent c37d55a
commit abebe86
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/main/physics/Actor.cpp b/source/main/physics/Actor.cpp
@@ -618,7 +618,7 @@ void Actor::CalcNetwork()
     else
         SOUND_STOP(ar_instance_id, SS_TRIG_HORN);
 
-    if (m_net_reverse_light && ar_engine->IsRunning())
+    if (m_net_reverse_light && ar_engine && ar_engine->IsRunning())
         SOUND_START(ar_instance_id, SS_TRIG_REVERSE_GEAR);
     else
         SOUND_STOP(ar_instance_id, SS_TRIG_REVERSE_GEAR);