diff --git a/html/images/space.svg b/html/images/space.svg
index 7b572c6..fb60405 100644
--- a/html/images/space.svg
+++ b/html/images/space.svg
@@ -459,6 +459,7 @@
       position = updateShip(elapsed);
       updateBullets(elapsed);
       updateEdges(position);
+      if (drawCollisionLines) updateTriangles(position);
 
       if (restart) {
         restart = false;