diff --git a/code/modules/mob/living/simple_animal/friendly/mouse.dm b/code/modules/mob/living/simple_animal/friendly/mouse.dm
index 3ca0c840efd..d6f38d33268 100644
--- a/code/modules/mob/living/simple_animal/friendly/mouse.dm
+++ b/code/modules/mob/living/simple_animal/friendly/mouse.dm
@@ -41,7 +41,7 @@
 	AddComponent(/datum/component/squeak, list('sound/creatures/mousesqueak.ogg' = 1), 100)
 
 /mob/living/simple_animal/mouse/handle_automated_action()
-	if(prob(chew_probability))
+	if(prob(chew_probability) && isturf(loc))
 		var/turf/simulated/floor/F = get_turf(src)
 		if(istype(F) && !F.intact)
 			var/obj/structure/cable/C = locate() in F