diff --git a/helpers/shape.lua b/helpers/shape.lua
index 9c96d83..fedc544 100644
--- a/helpers/shape.lua
+++ b/helpers/shape.lua
@@ -1,6 +1,6 @@
 local gears = require("gears")
 
-shape = {}
+local shape = {}
 
 -- Create rounded rectangle shape (in one line)