diff --git a/1-js/07-object-oriented-programming/08-class-patterns/2-rewrite-to-prototypes/source.view/clock.js b/1-js/07-object-oriented-programming/08-class-patterns/2-rewrite-to-prototypes/source.view/clock.js
index 26081a35..c4bfaa0f 100644
--- a/1-js/07-object-oriented-programming/08-class-patterns/2-rewrite-to-prototypes/source.view/clock.js
+++ b/1-js/07-object-oriented-programming/08-class-patterns/2-rewrite-to-prototypes/source.view/clock.js
@@ -9,7 +9,7 @@ function Clock({ template }) {
     if (hours < 10) hours = '0' + hours;
 
     let mins = date.getMinutes();
-    if (mins < 10) min = '0' + mins;
+    if (mins < 10) mins = '0' + mins;
 
     let secs = date.getSeconds();
     if (secs < 10) secs = '0' + secs;