diff --git a/code/modules/mob/living/simple_animal/friendly/mouse.dm b/code/modules/mob/living/simple_animal/friendly/mouse.dm
index 261f713cca..2b74fc71be 100644
--- a/code/modules/mob/living/simple_animal/friendly/mouse.dm
+++ b/code/modules/mob/living/simple_animal/friendly/mouse.dm
@@ -81,7 +81,9 @@
 		var/turf/open/floor/F = get_turf(src)
 		// GS13 - EDIT
 		if(istype(F, /turf/open/floor/catwalk_floor))
-			return
+			var/turf/open/floor/catwalk_floor/catwalk = F
+			if(catwalk.covered)
+				return
 		// GS13 - END EDIT
 		if(istype(F) && !F.intact)
 			var/obj/structure/cable/C = locate() in F