diff --git a/code/modules/mob/living/simple_animal/bot/cleanbot.dm b/code/modules/mob/living/simple_animal/bot/cleanbot.dm
index d31c368ca4..bccf4e2c4d 100644
--- a/code/modules/mob/living/simple_animal/bot/cleanbot.dm
+++ b/code/modules/mob/living/simple_animal/bot/cleanbot.dm
@@ -17,6 +17,7 @@
 	window_name = "Automatic Station Cleaner v1.2"
 	pass_flags = PASSMOB
 	path_image_color = "#993299"
+	weather_immunities = list("lava","ash")
 
 	var/blood = 1
 	var/trash = 0