diff --git a/README.md b/README.md
index d39ebe2..7352f16 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@
 
 This mod adds an improved ("currency" compatible) shop to your world.
 
+Requires 5.0.0-dev or newer
+
 Features:
  * 4 buyer and 4 seller slots
  * Much storage capacity
@@ -20,7 +22,10 @@ Optional dependencies:
 
 
 ## License
-CC0 for everything unless specified otherwise below.
+
+Textures: CC0 - or see notes below
+
+Code: MIT
 
 Following textures were imported from [currency](https://github.com/minetest-mods/currency)
  * shop_front.png
diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index 383d932..0000000
--- a/depends.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-default
-currency?
-bitchange?
-wrench?
-pipeworks?
-tubelib?
diff --git a/init.lua b/init.lua
index 5d1fbac..8b479ad 100644
--- a/init.lua
+++ b/init.lua
@@ -1,3 +1,7 @@
+if not minetest.get_translator then
+	error("exchange_shop requires at least Minetest 5.0.0-dev.")
+end
+
 exchange_shop = {}
 exchange_shop.storage_size = 5 * 4
 exchange_shop.shopname = "exchange_shop:shop"
@@ -6,6 +10,12 @@ local modpath = minetest.get_modpath("exchange_shop")
 local has_currency = minetest.get_modpath("currency")
 local has_bitchange = minetest.get_modpath("bitchange")
 
+-- Internationalisaton
+exchange_shop.S = minetest.get_translator("exchange_shop")
+exchange_shop.FS = function(...)
+	return minetest.formspec_escape(exchange_shop.S(...))
+end
+
 -- Currency migrate options
 exchange_shop.migrate = {
 	use_lbm = false,
diff --git a/locale/exchange_shop.fr.tr b/locale/exchange_shop.fr.tr
new file mode 100644
index 0000000..37812dd
--- /dev/null
+++ b/locale/exchange_shop.fr.tr
@@ -0,0 +1,35 @@
+# textdomain: exchange_shop
+
+# shop.lua
+Title:=Titre :
+Set=Définir
+You give:=Vous donnez :
+You get:=Vous recevez :
+Exchange=Échanger
+You need=Vous avez besoin de
+You give=Vous donnez
+:= :
+Current stock:=Stock affiché :
+Income=Entrée
+Outgoing=Sortie
+Use (E) + (Right click) for customer interface=Utilisez (E) + (Clic droit) pour afficher l'interface du client
+owned by @1=propriété de @1
+Exchange shop (owned by @1=Boutique d'échange (propriété de @1
+Exchange shop:=Boutique d'échange :
+Exchange Shop=Boutique d'échange
+Exchange shop (constructing)=Boutique d'échange (en construction)
+Cannot dig exchange shop: one or multiple stocks are in use.=Un ou plusieurs stocks sont en cours d'utilisation, impossible d'enlever la boutique d'échange.
+Exchange shop: Insert your trade goods into 'Outgoing'.=Boutique d'échange : Insérez ce que vous souhaitez échanger dans 'Sortie'
+
+# shop_functions.lua
+One or multiple ejection fields are filled.=Un ou plusieurs champs d’éjection sont remplis.
+Please empty them or contact the shop owner.=Veuillez les vider ou contactez le propriétaire de la boutique.
+The field '@1' can not contain multiple times the same items.=Le champ '@1' ne peux contenir plusieurs fois les mêmes éléments.
+The field '@1' can not contain multiple times the same items.=Le champ '@1' ne peux contenir plusieurs fois les mêmes éléments.
+Please contact the shop owner.=Veuillez contacter le propriétaire de la boutique.
+The stock in this shop is full. =Le stockage de cette boutique est saturé.
+Please contact the shop owner.=Veuillez contacter le propriétaire de la boutique.
+This shop is sold out.=Cette boutique est en rupture de stock.
+You do not have enough space in your inventory.=Vous manquez de place dans votre inventaire.
+You do not have the required items.=Vous ne disposez pas des éléments demandés.
+Warning! Stacks are overflowing somewhere!=Attention ! Les piles débordent quelque part !
diff --git a/locale/template.txt b/locale/template.txt
new file mode 100644
index 0000000..4a19309
--- /dev/null
+++ b/locale/template.txt
@@ -0,0 +1,35 @@
+# textdomain: exchange_shop
+
+# shop.lua
+Title:=
+Set=
+You give:=
+You get:=
+Exchange=
+You need=
+You give=
+:=
+Current stock:=
+Income=
+Outgoing=
+Use (E) + (Right click) for customer interface=
+owned by @1=
+Exchange shop (owned by @1=
+Exchange shop:=
+Exchange Shop=
+Exchange shop (constructing)=
+Cannot dig exchange shop: one or multiple stocks are in use.=
+Exchange shop: Insert your trade goods into 'Outgoing'.=
+
+# shop_functions.lua
+One or multiple ejection fields are filled.=
+Please empty them or contact the shop owner.=
+The field '@1' can not contain multiple times the same items.=
+The field '@1' can not contain multiple times the same items.=
+Please contact the shop owner.=
+The stock in this shop is full.=
+Please contact the shop owner.=
+This shop is sold out.=
+You do not have enough space in your inventory.=
+You do not have the required items.=
+Warning! Stacks are overflowing somewhere!=
diff --git a/shop.lua b/shop.lua
old mode 100755
new mode 100644
index 2117d89..c0c66d7
--- a/shop.lua
+++ b/shop.lua
@@ -5,7 +5,8 @@ This code is based on the idea of Dan Duncombe's exchange shop
 	https://web.archive.org/web/20160403113102/https://forum.minetest.net/viewtopic.php?id=7002
 ]]
 
-
+local S = exchange_shop.S
+local FS = exchange_shop.FS
 local shop_positions = {}
 
 local function get_exchange_shop_formspec(mode, pos, meta)
@@ -16,17 +17,27 @@ local function get_exchange_shop_formspec(mode, pos, meta)
 		return "listring[".. name ..";" .. src .. "]" ..
 			"listring[current_player;main]"
 	end
+	local function make_slots(x, y, list, label)
+		local arrow = "exchange_shop_arrow.png"
+		if list == "cust_ow" then
+			arrow = arrow .. "\\^\\[transformFY"
+		end
+		return table.concat({
+			("label[%f,%f;%s]"):format(x, y - 0.6, label),
+			("image[%f,%f;0.6,0.6;shop_front.png]"):format(x + 0.15, y + 0.3),
+			("image[%f,%f;0.6,0.6;%s]"):format(x + 0.15, y + 0.0, arrow),
+			("list["..name..";%s;%f,%f;2,2;]"):format(list, x, y)
+		})
+	end
 	if mode == "customer" then
 		local overflow = not meta:get_inventory():is_empty("cust_ej")
 
 		-- customer
 		local formspec = (
 			(overflow and "size[8,9]" or "size[8,8]")..
-			"label[1,0.4;You give:]"..
-			"list["..name..";cust_ow;1,1;2,2;]"..
-			"button[3,2.4;2,1;exchange;Exchange]"..
-			"label[5,0.4;You get:]"..
-			"list["..name..";cust_og;5,1;2,2;]"
+			make_slots(1, 1, "cust_ow", FS("You give:")) ..
+			"button[3,2.5;2,1;exchange;" .. FS("Exchange") .. "]"..
+			make_slots(5, 1, "cust_og", FS("You get:"))
 		)
 		-- Insert fallback slots
 		local inv_pos = 4
@@ -51,17 +62,13 @@ local function get_exchange_shop_formspec(mode, pos, meta)
 		-- owner
 		local formspec = (
 			"size[10,10]"..
-			"label[0,0.1;Title:]"..
+			"label[0,0.1;" .. FS("Title:") .. "]"..
 			"field[1.2,0.5;3,0.5;title;;"..title.."]"..
 			"field_close_on_enter[title;false]"..
-			"button[3.9,0.2;1,0.5;set_title;Set]"..
-			"container[0,2]"..
-			"label[0,-0.6;You need:]"..
-			"list["..name..";cust_ow;0,0;2,2;]"..
-			"label[2.5,-0.6;You give:]"..
-			"list["..name..";cust_og;2.5,0;2,2;]"..
-			"container_end[]"..
-			"label[5,0.1;Current stock:]"
+			"button[3.9,0.2;1,0.5;set_title;" .. FS("Set") .. "]"..
+			make_slots(  0, 2, "cust_ow", FS("You need") .. FS(":")) ..
+			make_slots(2.5, 2, "cust_og", FS("You give") .. FS(":")) ..
+			"label[5,0.1;" .. FS("Current stock:") .. "]"
 		)
 
 		if overflow then
@@ -72,19 +79,22 @@ local function get_exchange_shop_formspec(mode, pos, meta)
 			)
 		end
 
+		local arrow = "exchange_shop_arrow.png"
 		if mode == "owner_custm" then
 			formspec = (formspec..
-				"button[7.5,0.2;2.5,0.5;view_stock;Income]"..
+				"button[7.5,0.2;2.5,0.5;view_stock;" .. FS("Income") .. "]"..
 				"list["..name..";custm;5,1;5,4;]"..
 				listring("custm"))
+			arrow = arrow .. "\\^\\[transformFY"
 		else
 			formspec = (formspec..
-				"button[7.5,0.2;2.5,0.5;view_custm;Outgoing]"..
+				"button[7.5,0.2;2.5,0.5;view_custm;" .. FS("Outgoing") .. "]"..
 				"list["..name..";stock;5,1;5,4;]"..
 				listring("stock"))
 		end
 		return (formspec..
-			"label[1,5.4;Use (E) + (Right click) for customer interface]"..
+			"label[1,5.4;" .. FS("Use (E) + (Right click) for customer interface") .. "]"..
+			"image[8.2,5.2;0.6,0.6;" .. arrow .. "]" ..
 			"list[current_player;main;1,6;8,4;]")
 	end
 	return ""
@@ -118,10 +128,9 @@ minetest.register_on_player_receive_fields(function(sender, formname, fields)
 		if title ~= fields.title then
 			if fields.title ~= "" then
 				meta:set_string("infotext", "'" .. fields.title
-					.. "' (owned by " .. shop_owner .. ")")
+					.. "' (" .. S("owned by @1", shop_owner) .. ")")
 			else
-				meta:set_string("infotext", "Exchange shop (owned by "
-					.. shop_owner ..")")
+				meta:set_string("infotext", S("Exchange shop (owned by @1", shop_owner) .. ")" )
 			end
 			meta:set_string("title", minetest.formspec_escape(fields.title))
 		end
@@ -139,7 +148,7 @@ minetest.register_on_player_receive_fields(function(sender, formname, fields)
 		-- Throw error message
 		if err_msg then
 			minetest.chat_send_player(player_name, minetest.colorize("#F33",
-				"Exchange shop: " .. err_msg))
+				S("Exchange shop:") .. " " .. err_msg))
 		end
 		if resend then
 			minetest.show_formspec(player_name, "exchange_shop:shop_formspec",
@@ -158,7 +167,7 @@ minetest.register_on_player_receive_fields(function(sender, formname, fields)
 end)
 
 minetest.register_node(exchange_shop.shopname, {
-	description = "Exchange Shop",
+	description = S"Exchange Shop",
 	tiles = {
 		"shop_top.png", "shop_top.png", 
 		"shop_side.png","shop_side.png",
@@ -171,12 +180,11 @@ minetest.register_node(exchange_shop.shopname, {
 		local meta = minetest.get_meta(pos)
 		local owner = placer:get_player_name()
 		meta:set_string("owner", owner)
-		meta:set_string("infotext", "Exchange shop (owned by "
-			.. owner .. ")")
+		meta:set_string("infotext", S("Exchange shop (owned by @1", owner) .. ")")
 	end,
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
-		meta:set_string("infotext", "Exchange shop (constructing)")
+		meta:set_string("infotext", S("Exchange shop (constructing)"))
 		meta:set_string("owner", "")
 		local inv = meta:get_inventory()
 		inv:set_size("stock", exchange_shop.storage_size) -- needed stock for exchanges
@@ -195,7 +203,7 @@ minetest.register_node(exchange_shop.shopname, {
 			return true
 		end
 		minetest.chat_send_player(player:get_player_name(),
-			"Cannot dig exchange shop: one or multiple stocks are in use.")
+			S("Cannot dig exchange shop: one or multiple stocks are in use."))
 		return false
 	end,
 	on_rightclick = function(pos, node, clicker, itemstack)
@@ -221,7 +229,7 @@ minetest.register_node(exchange_shop.shopname, {
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 		if listname == "custm" then
 			minetest.chat_send_player(player:get_player_name(),
-				"Exchange shop: Insert your trade goods into 'Outgoing'.")
+				S("Exchange shop: Insert your trade goods into 'Outgoing'."))
 			return 0
 		end
 		local meta = minetest.get_meta(pos)
diff --git a/shop_functions.lua b/shop_functions.lua
index ab320de..9e69d71 100644
--- a/shop_functions.lua
+++ b/shop_functions.lua
@@ -1,3 +1,5 @@
+local S = exchange_shop.S
+
 function exchange_shop.has_access(meta, player_name)
 	local owner = meta:get_string("owner")
 	if player_name == owner or owner == "" then
@@ -67,8 +69,8 @@ end
 function exchange_shop.exchange_action(player_inv, shop_inv)
 	if not shop_inv:is_empty("cust_ej")
 			or not shop_inv:is_empty("custm_ej") then
-		return "One or multiple ejection fields are filled. "..
-			"Please empty them or contact the shop owner."
+		return S("One or multiple ejection fields are filled.") .. " " ..
+			S("Please empty them or contact the shop owner.")
 	end
 	local owner_wants = shop_inv:get_list("cust_ow")
 	local owner_gives = shop_inv:get_list("cust_og")
@@ -81,8 +83,8 @@ function exchange_shop.exchange_action(player_inv, shop_inv)
 				break
 			end
 			if i1 ~= i2 and name1 == item2:get_name() then
-				return "The field 'Owner needs' can not contain multiple "..
-					"times the same items. Please contact the shop owner."
+				return S("The field '@1' can not contain multiple times the same items.", S("You need")) .. " " ..
+					S("Please contact the shop owner.")
 			end
 		end
 	end
@@ -95,8 +97,8 @@ function exchange_shop.exchange_action(player_inv, shop_inv)
 				break
 			end
 			if i1 ~= i2 and name1 == item2:get_name() then
-				return "The field 'Owner gives' can not contain multiple "..
-					"times the same items. Please contact the shop owner."
+				return S("The field '@1' can not contain multiple times the same items.", S("You give")) .. " " ..
+					S("Please contact the shop owner.")
 			end
 		end
 	end
@@ -104,8 +106,8 @@ function exchange_shop.exchange_action(player_inv, shop_inv)
 	-- Check for space in the shop
 	for i, item in pairs(owner_wants) do
 		if not shop_inv:room_for_item("custm", item) then
-			return "The stock in this shop is full. "..
-				"Please contact the shop owner."
+			return S("The stock in this shop is full.") .. " " ..
+				S("Please contact the shop owner.")
 		end
 	end
 
@@ -114,21 +116,21 @@ function exchange_shop.exchange_action(player_inv, shop_inv)
 	-- Check availability of the shop's items
 	for i, item in pairs(owner_gives) do
 		if not list_contains_item(shop_inv, "stock", item) then
-			return "This shop is sold out."
+			return S("This shop is sold out.")
 		end
 	end
 
 	-- Check for space in the player's inventory
 	for i, item in pairs(owner_gives) do
 		if not player_inv:room_for_item("main", item) then
-			return "You do not have enough space in your inventory."
+			return S("You do not have enough space in your inventory.")
 		end
 	end
 
 	-- Check availability of the player's items
 	for i, item in pairs(owner_wants) do
 		if not list_contains_item(player_inv, "main", item) then
-			return "You do not have the required items."
+			return S("You do not have the required items.")
 		end
 	end
 
@@ -157,6 +159,6 @@ function exchange_shop.exchange_action(player_inv, shop_inv)
 		end
 	end
 	if not fully_exchanged then
-		return "Warning! Stacks are overflowing somewhere!", true
+		return S("Warning! Stacks are overflowing somewhere!"), true
 	end
-end
\ No newline at end of file
+end
diff --git a/textures/exchange_shop_arrow.png b/textures/exchange_shop_arrow.png
new file mode 100644
index 0000000..4d316d7
Binary files /dev/null and b/textures/exchange_shop_arrow.png differ