diff --git a/code/game/objects/items/apc_frame.dm b/code/game/objects/items/apc_frame.dm
index 4b69e5db7c..fd2ea3e94b 100644
--- a/code/game/objects/items/apc_frame.dm
+++ b/code/game/objects/items/apc_frame.dm
@@ -13,31 +13,31 @@
 		new /obj/item/stack/material/steel( get_turf(src.loc), 2 )
 		qdel(src)
 
-/obj/item/frame/apc/try_build(turf/on_wall)
-	if (get_dist(on_wall,usr)>1)
+/obj/item/frame/apc/try_build(turf/on_wall, mob/user as mob)
+	if (get_dist(on_wall, user)>1)
 		return
-	var/ndir = get_dir(usr,on_wall)
+	var/ndir = get_dir(user, on_wall)
 	if (!(ndir in cardinal))
 		return
-	var/turf/loc = get_turf(usr)
+	var/turf/loc = get_turf(user)
 	var/area/A = loc.loc
 	if (!istype(loc, /turf/simulated/floor))
-		usr << "<span class='warning'>APC cannot be placed on this spot.</span>"
+		to_chat(user, "<span class='warning'>APC cannot be placed on this spot.</span>")
 		return
 	if (A.requires_power == 0 || istype(A, /area/space))
-		usr << "<span class='warning'>APC cannot be placed in this area.</span>"
+		to_chat(user, "<span class='warning'>APC cannot be placed in this area.</span>")
 		return
 	if (A.get_apc())
-		usr << "<span class='warning'>This area already has an APC.</span>"
+		to_chat(user, "<span class='warning'>This area already has an APC.</span>")
 		return //only one APC per area
 	for(var/obj/machinery/power/terminal/T in loc)
 		if (T.master)
-			usr << "<span class='warning'>There is another network terminal here.</span>"
+			to_chat(user, "<span class='warning'>There is another network terminal here.</span>")
 			return
 		else
 			var/obj/item/stack/cable_coil/C = new /obj/item/stack/cable_coil(loc)
 			C.amount = 10
-			usr << "You cut the cables and disassemble the unused power terminal."
+			to_chat(user, "You cut the cables and disassemble the unused power terminal.")
 			qdel(T)
 	new /obj/machinery/power/apc(loc, ndir, 1)
 	qdel(src)
diff --git a/code/game/objects/structures/window.dm b/code/game/objects/structures/window.dm
index cbaf8f8cf8..3186e26e0e 100644
--- a/code/game/objects/structures/window.dm
+++ b/code/game/objects/structures/window.dm
@@ -311,7 +311,7 @@
 				qdel(src)
 	else if(istype(W,/obj/item/frame) && anchored)
 		var/obj/item/frame/F = W
-		F.try_build(src)
+		F.try_build(src, user)
 	else
 		user.setClickCooldown(user.get_attack_speed(W))
 		if(W.damtype == BRUTE || W.damtype == BURN)
diff --git a/code/game/turfs/simulated/wall_attacks.dm b/code/game/turfs/simulated/wall_attacks.dm
index 01633b65d3..2bfa5a6aca 100644
--- a/code/game/turfs/simulated/wall_attacks.dm
+++ b/code/game/turfs/simulated/wall_attacks.dm
@@ -355,7 +355,7 @@
 
 	if(istype(W,/obj/item/frame))
 		var/obj/item/frame/F = W
-		F.try_build(src)
+		F.try_build(src, user)
 		return
 
 	else if(!istype(W,/obj/item/weapon/rcd) && !istype(W, /obj/item/weapon/reagent_containers))