diff --git a/src/startup.lua b/src/startup.lua
index 7ef1812..9dd7a41 100644
--- a/src/startup.lua
+++ b/src/startup.lua
@@ -26,6 +26,7 @@ shell.run("/brulijam/sync.lua")
 
 
 --set label if not set
+local hash = require("brulijam.lib.hash")
 if os.getComputerLabel() == nil then
   print("wuauw")
   local labelMainPart = string.sub(hash.digestStr(os.getComputerID()), 1, 6)