diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index e64bd101..b58f2fea 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -1155,11 +1155,11 @@ minetest.register_node("default:chest", {
 		minetest.log("action", player:get_player_name()..
 				" moves stuff in chest at "..minetest.pos_to_string(pos))
 	end,
-    on_metadata_inventory_put = function(pos, listname, index, stack, player)
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
 		minetest.log("action", player:get_player_name()..
 				" moves stuff to chest at "..minetest.pos_to_string(pos))
 	end,
-    on_metadata_inventory_take = function(pos, listname, index, stack, player)
+	on_metadata_inventory_take = function(pos, listname, index, stack, player)
 		minetest.log("action", player:get_player_name()..
 				" takes stuff from chest at "..minetest.pos_to_string(pos))
 	end,
@@ -1202,25 +1202,25 @@ minetest.register_node("default:chest_locked", {
 		end
 		return count
 	end,
-    allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 		local meta = minetest.get_meta(pos)
 		if not has_locked_chest_privilege(meta, player) then
 			return 0
 		end
 		return stack:get_count()
 	end,
-    allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
 		local meta = minetest.get_meta(pos)
 		if not has_locked_chest_privilege(meta, player) then
 			return 0
 		end
 		return stack:get_count()
 	end,
-    on_metadata_inventory_put = function(pos, listname, index, stack, player)
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
 		minetest.log("action", player:get_player_name()..
 				" moves stuff to locked chest at "..minetest.pos_to_string(pos))
 	end,
-    on_metadata_inventory_take = function(pos, listname, index, stack, player)
+	on_metadata_inventory_take = function(pos, listname, index, stack, player)
 		minetest.log("action", player:get_player_name()..
 				" takes stuff from locked chest at "..minetest.pos_to_string(pos))
 	end,
@@ -1232,6 +1232,8 @@ minetest.register_node("default:chest_locked", {
 				"default:chest_locked",
 				get_locked_chest_formspec(pos)
 			)
+		else
+			minetest.sound_play("default_chest_locked", {pos = pos})
 		end
 	end,
 })
@@ -1430,8 +1432,8 @@ minetest.register_node("default:rail", {
 	is_ground_content = false,
 	selection_box = {
 		type = "fixed",
-                -- but how to specify the dimensions for curved and sideways rails?
-                fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+		-- but how to specify the dimensions for curved and sideways rails?
+		fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
 	},
 	groups = {bendy=2,dig_immediate=2,attached_node=1},
 })
diff --git a/mods/default/sounds/default_chest_locked.0.ogg b/mods/default/sounds/default_chest_locked.0.ogg
new file mode 100644
index 00000000..54b20417
Binary files /dev/null and b/mods/default/sounds/default_chest_locked.0.ogg differ