diff --git a/light-server.lua b/light-server.lua
index fea3067..2c8e83e 100644
--- a/light-server.lua
+++ b/light-server.lua
@@ -99,7 +99,7 @@ local function mainLoop()
     if typeOfRoom == 'main' then
       applyMainCommand(mainOutput, lightIsOn)
     elseif typeOfRoom == 'secondary' then
-      applySecondaryCommand(mainOutput, lightIsOn)
+      applySecondaryCommand(secondaryOutput, lightIsOn)
     else
       error('unknown type of room "' .. tostring(typeOfRoom) .. '"', 0)
     end