1 files changed, 2 insertions, 0 deletions
diff --git a/engine.c b/engine.c
index af3bb6df7..4849b08b9 100644
--- a/engine.c
+++ b/engine.c
@@ -567,6 +567,8 @@ static void DoTriggerVehicle(Vehicle *veh, VehicleTrigger trigger, byte base_ran
 	RealSpriteGroup *rsg;
 	byte new_random_bits;
 
+	assert(_current_player >= MAX_PLAYERS);
+
 	_vsg_random_triggers = trigger;
 	_vsg_bits_to_reseed = 0;
 	rsg = TriggerVehicleSpriteGroup(GetVehicleSpriteGroup(veh->engine_type, veh), veh,