diff --git a/craftCrystal.lua b/craftCrystal.lua
index fb3f0a3..0c2afab 100644
--- a/craftCrystal.lua
+++ b/craftCrystal.lua
@@ -2,7 +2,7 @@ local robot = require("robot")
 local component = require("component")
 local sides = require("sides")
 local rs = component.redstone
-local flag = false;
+local flag = false
 while true do
   if rs.getInput(sides.top) > 0 then
     if not flag then