diff --git a/code/game/objects/items/weapons/rpd.dm b/code/game/objects/items/weapons/rpd.dm
index e130c3ed606..ffcb2e06785 100644
--- a/code/game/objects/items/weapons/rpd.dm
+++ b/code/game/objects/items/weapons/rpd.dm
@@ -192,6 +192,10 @@ var/list/pipemenu = list(
 		return
 	if(world.time < lastused + spawndelay)
 		return
+	var/turf/T = get_turf(target)
+	for(var/obj/machinery/shieldwall/S in T)
+		to_chat(user, "<span class='warning'>[S] blocks access!</span>")
+		return
 	target.rpd_act(user, src) //Handle RPD effects in separate procs
 
 #undef RPD_COOLDOWN_TIME
diff --git a/code/game/objects/structures/crates_lockers/closets/secure/depot.dm b/code/game/objects/structures/crates_lockers/closets/secure/depot.dm
index 58eb8de7bde..be67d79272f 100644
--- a/code/game/objects/structures/crates_lockers/closets/secure/depot.dm
+++ b/code/game/objects/structures/crates_lockers/closets/secure/depot.dm
@@ -41,6 +41,12 @@
 		return
 	return ..(M)
 
+/obj/structure/closet/secure_closet/syndicate/depot/attackby(obj/item/W, mob/user, params)
+	if(istype(W, /obj/item/rcs))
+		to_chat(user, "<span class='warning'>Bluespace interference prevents the [W] from locking onto [src]!</span>")
+		return
+	return ..()
+
 /obj/structure/closet/secure_closet/syndicate/depot/emp_act(severity)
 	return