diff --git a/source/main/physics/Actor.cpp b/source/main/physics/Actor.cpp
index b62172ac1a..8b54355ac1 100644
--- 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)
+    if ((m_net_reverse_light & NETMASK_REVERSE))
         SOUND_START(ar_instance_id, SS_TRIG_REVERSE_GEAR);
     else
         SOUND_STOP(ar_instance_id, SS_TRIG_REVERSE_GEAR);