diff --git a/code/modules/mob/living/simple_animal/friendly/mouse.dm b/code/modules/mob/living/simple_animal/friendly/mouse.dm
index b4b33ee7654..7f6c971dfdf 100644
--- a/code/modules/mob/living/simple_animal/friendly/mouse.dm
+++ b/code/modules/mob/living/simple_animal/friendly/mouse.dm
@@ -46,19 +46,22 @@
 #ifdef GAME_TESTS // DO NOT EAT MY CABLES DURING UNIT TESTS
 	return
 #endif
-	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
-			if(C && prob(15))
-				if(C.get_available_power() && !HAS_TRAIT(src, TRAIT_SHOCKIMMUNE))
-					visible_message("<span class='warning'>[src] chews through [C]. It's toast!</span>")
-					playsound(src, 'sound/effects/sparks2.ogg', 100, 1)
-					toast() // mmmm toasty.
-				else
-					visible_message("<span class='warning'>[src] chews through [C].</span>")
-				investigate_log("was chewed through by a mouse in [get_area(F)]([F.x], [F.y], [F.z] - [ADMIN_JMP(F)])","wires")
-				C.deconstruct()
+	if(!prob(chew_probability) || !isfloorturf(loc))
+		return
+	var/turf/simulated/floor/F = get_turf(src)
+	if(F.intact || F.transparent_floor)
+		return
+	var/obj/structure/cable/C = locate() in F
+	if(!C || !prob(15))
+		return
+	if(C.get_available_power() && !HAS_TRAIT(src, TRAIT_SHOCKIMMUNE))
+		visible_message("<span class='warning'>[src] chews through [C]. It's toast!</span>")
+		playsound(src, 'sound/effects/sparks2.ogg', 100, 1)
+		toast() // mmmm toasty.
+	else
+		visible_message("<span class='warning'>[src] chews through [C].</span>")
+	investigate_log("was chewed through by a mouse in [get_area(F)]([F.x], [F.y], [F.z] - [ADMIN_JMP(F)])","wires")
+	C.deconstruct()
 
 /mob/living/simple_animal/mouse/handle_automated_speech()
 	..()