diff --git a/script.js b/script.js
index 39c92de..2588b82 100644
--- a/script.js
+++ b/script.js
@@ -7,12 +7,13 @@ addEventListener('DOMContentLoaded', () => {
     mask: document.getElementById("mask-expr"),
     size: document.getElementById("width"),
     ver: document.getElementById("version"),
+    scale: document.getElementById("scale"),
   }
 
   document.getElementById("gen-btn").addEventListener("click", () => {
     const mask = options.mask.value
     const size = options.size.value
-    const scale = 40
+    const scale = options.scale.value
 
     canvas.width = canvas.height = size * scale