diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua
index b8384ff..39fd7e6 100644
--- a/mesecons_luacontroller/init.lua
+++ b/mesecons_luacontroller/init.lua
@@ -276,7 +276,7 @@ if mesecon.setting("luacontroller_lightweight_interrupts", false) then
 	get_interrupt = function(pos, itbl, send_warning)
 		return (function(time, iid)
 			if type(time) ~= "number" then error("Delay must be a number") end
-			if iid ~= nil then send_warning("Interrupt IDs are disabled on this server") end
+			if iid ~= nil then send_warning(S("Interrupt IDs are disabled on this server")) end
 			table.insert(itbl, function() minetest.get_node_timer(pos):start(time) end)
 		end)
 	end
@@ -300,7 +300,7 @@ else
 				if #msg_ser <= mesecon.setting("luacontroller_interruptid_maxlen", 256) then
 					mesecon.queue:add_action(pos, "lc_interrupt", {luac_id, iid}, time, iid, 1)
 				else
-					send_warning("An interrupt ID was too large!")
+					send_warning(S("An interrupt ID was too large!"))
 				end
 			end)
 		end
@@ -406,18 +406,18 @@ local function get_digiline_send(pos, itbl, send_warning)
 		-- Make sure channel is string, number or boolean
 		if type(channel) == "string" then
 			if #channel > chan_maxlen then
-				send_warning("Channel string too long.")
+				send_warning(S("Channel string too long."))
 				return false
 			end
 		elseif (type(channel) ~= "string" and type(channel) ~= "number" and type(channel) ~= "boolean") then
-			send_warning("Channel must be string, number or boolean.")
+			send_warning(S("Channel must be string, number or boolean."))
 			return false
 		end
 
 		local msg_cost
 		msg, msg_cost = clean_and_weigh_digiline_message(msg)
 		if msg == nil or msg_cost > maxlen then
-			send_warning("Message was too complex, or contained invalid data.")
+			send_warning(S("Message was too complex, or contained invalid data."))
 			return false
 		end
 
@@ -590,7 +590,7 @@ local function run_inner(pos, code, event)
 	-- 'Last warning' label.
 	local warning = ""
 	local function send_warning(str)
-		warning = "Warning: " .. str
+		warning = S("Warning: @1", str)
 	end
 
 	-- Create environment
@@ -610,7 +610,7 @@ local function run_inner(pos, code, event)
 	-- End string true sandboxing
 	if not success then return false, msg end
 	if type(env.port) ~= "table" then
-		return false, "Ports set are invalid."
+		return false, S("Ports set are invalid.")
 	end
 
 	-- Actually set the ports