diff --git a/light-server.lua b/light-server.lua
index c7826b4..1536a48 100644
--- a/light-server.lua
+++ b/light-server.lua
@@ -1,3 +1,5 @@
+local rs = require('libs/rs.lua')
+
 local MAIN_DELAY_ON = 0.25
 local MAIN_DELAY_OFF = 0
 local SECONDARY_DELAY_ON = 0.75
@@ -9,6 +11,8 @@ local MAIN_OUTPUT_SIDE = 'left'
 local SECONDARY_INPUT_SIDE = 'back'
 local SECONDARY_OUTPUT_SIDE = 'front'
 
+local VERSION = '1.0.0'
+
 local function getMainColorsOrder()
   return {
     colors.white,
@@ -70,7 +74,7 @@ local function mainLoop()
   local secondaryColorsOrder = getSecondaryColorsOrder()
 
   while true do
-    local _, lightIsOn, typeOfRoom = os.pullEvent('light_command')
+    local _, typeOfRoom, lightIsOn = os.pullEvent('light_command')
 
     if typeOfRoom == 'main' then
       if lightIsOn then
@@ -100,16 +104,17 @@ local function redstoneLoop()
 
     if mainState ~= newMainState then
       mainState = newMainState
-      os.queueEvent('main', newMainState)
+      os.queueEvent('light_command', 'main', newMainState)
     end
 
     if secondaryState ~= newSecondaryState then
       secondaryState = newSecondaryState
-      os.queueEvent('secondary', newSecondaryState)
+      os.queueEvent('light_command', 'secondary', newSecondaryState)
     end
 
     os.pullEvent('redstone')
   end
 end
 
+print('> Starting light server v' .. VERSION)
 parallel.waitForAny(mainLoop, redstoneLoop)
\ No newline at end of file