diff --git a/scripts/car.gd b/scripts/car.gd
index 41aa991..a629fa0 100644
--- a/scripts/car.gd
+++ b/scripts/car.gd
@@ -322,6 +322,8 @@ func calculate_steering(delta:float):
 	
 func getRound():
 	var i=getNextCPindex()/checkpoints.size()
+	if getNextCPindex()==-1: #all checkpoints collected
+		i=checkpoints.size()-1
 	return i