diff --git a/code/modules/maps/tg/map_template_vr.dm b/code/modules/maps/tg/map_template_vr.dm
index cd8a04857d..b966261b47 100644
--- a/code/modules/maps/tg/map_template_vr.dm
+++ b/code/modules/maps/tg/map_template_vr.dm
@@ -1,2 +1,5 @@
 /datum/map_template/proc/on_map_loaded(z)
+	for(var/Trf in block(locate(1,1,z), locate(world.maxx, world.maxy, z)))
+		var/turf/T = Trf //faster than implicit istype with typed for loop
+		T.lighting_build_overlay()
 	return
\ No newline at end of file