diff --git a/mods/shutdown/init.lua b/mods/shutdown/init.lua
index 446c208c..d5ff81d5 100755
--- a/mods/shutdown/init.lua
+++ b/mods/shutdown/init.lua
@@ -28,31 +28,40 @@ end
 
 local timer = 0
 
+local function send(msg, col)
+   core.chat_send_all(core.colorize(col, msg))
+end
+
 local function tick()
 	local heure = os.date("%H")
 	local minute = os.date("%M")
 	-- Warn every days
 	if heure == "04" then
 		if minute == "00" then
-			minetest.chat_send_all("Rappel : Redémarrage journalier du serveur dans 30 minutes. (Dure 30 minutes)")
-			minetest.chat_send_all("Reminder : Daily reboot of the server in 30 minutes. (Lasts 30 minutes)")
+			send("Rappel : Redémarrage journalier du serveur dans 30 minutes. (Dure 30 minutes)", "#ffff00")
+			send("Reminder : Daily reboot of the server in 30 minutes. (Lasts 30 minutes)", "#ffff00")
 			sound_play_all("shutdown_shutdown")
 		elseif minute == "15" then
-			minetest.chat_send_all("Rappel : Redémarrage journalier du serveur dans 15 minutes. (Dure 30 minutes)")
-			minetest.chat_send_all("Reminder : Daily reboot of the server in 15 minutes. (Lasts 30 minutes)")
+			send("Rappel : Redémarrage journalier du serveur dans 15 minutes. (Dure 30 minutes)", "#FF6600")
+			send("Reminder : Daily reboot of the server in 15 minutes. (Lasts 30 minutes)", "#FF6600")
 			sound_play_all("shutdown_shutdown")
 		elseif minute == "25" then
-			minetest.chat_send_all("Rappel : Redémarrage journalier du serveur dans 5 minutes - Pensez à vous deconnecter !")
-			minetest.chat_send_all("Reminder : Daily reboot of the server in 5 minutes - Think about logout!")
+			send("Rappel : Redémarrage journalier du serveur dans 5 minutes - Pensez à vous deconnecter !", "#ff0000")
+			send("Reminder : Daily reboot of the server in 5 minutes - Prepare to log out!", "#ff0000")
 			sound_play_all("shutdown_shutdown")
 		elseif minute == "29" then
-			minetest.chat_send_all("=== ARRET DU SERVEUR - DE NOUVEAU EN LIGNE DANS 30 MIN ===")
-			minetest.chat_send_all("=== SERVER SHUTTING DOWN - ONLINE AGAIN IN 30 MIN ===")
+			send("=== ARRET DU SERVEUR - DE NOUVEAU EN LIGNE DANS 30 MIN ===", "#ff0000")
+			send("=== SERVER SHUTTING DOWN - ONLINE AGAIN IN 30 MIN ===", "#ff0000")
 			sound_play_all("shutdown_shutdown")
 	--		minetest.request_shutdown()
 		end
 	end
-	minetest.after(20, tick)
+	minetest.after(60, tick)
 end
 
-tick()
+minetest.after(0, function() -- When server has just started
+		  -- Calculate time until next minute to start laps (+1 sec to be sure)
+		  minetest.after(61 - tonumber(os.date("%S")), function()
+				    tick()
+		  end)
+end)