diff --git a/1-js/09-classes/05-private-protected-properties-methods/article.md b/1-js/09-classes/05-private-protected-properties-methods/article.md
index 7af04797..82466331 100644
--- a/1-js/09-classes/05-private-protected-properties-methods/article.md
+++ b/1-js/09-classes/05-private-protected-properties-methods/article.md
@@ -101,7 +101,7 @@ class CoffeeMachine {
   }
 
   get waterAmount() {
-    return this.waterAmount;
+    return this._waterAmount;
   }
 
   constructor(power) {