diff --git a/code/game/objects/obj_defense.dm b/code/game/objects/obj_defense.dm
index f0bd02bd33..bcdf509fbe 100644
--- a/code/game/objects/obj_defense.dm
+++ b/code/game/objects/obj_defense.dm
@@ -143,11 +143,19 @@
 	var/amt = max(0, ((force - (move_resist * MOVE_FORCE_CRUSH_RATIO)) / (move_resist * MOVE_FORCE_CRUSH_RATIO)) * 10)
 	take_damage(amt, BRUTE)
 
+#define BLACKLISTED_OBJECTS list(/obj/machinery/power/apc, /obj/machinery/airalarm, /obj/machinery/power/smes, /obj/structure/cable)
+
 /obj/attack_slime(mob/living/simple_animal/slime/user)
 	if(!user.is_adult)
 		return
+	if(src.type in BLACKLISTED_OBJECTS)
+		return
+	if(istype(src, /obj/machinery/atmospherics))
+		return
 	attack_generic(user, rand(10, 15), BRUTE, "melee", 1)
 
+#undef BLACKLISTED_OBJECTS
+
 /obj/mech_melee_attack(obj/mecha/M)
 	M.do_attack_animation(src)
 	var/play_soundeffect = 0