diff --git a/04-interface-and-class/class-advanced/accessors.md b/04-interface-and-class/class-advanced/accessors.md
index 199ef22..dc0c15d 100644
--- a/04-interface-and-class/class-advanced/accessors.md
+++ b/04-interface-and-class/class-advanced/accessors.md
@@ -42,7 +42,7 @@ class Shape {
   constructor (public vertices: number) { }
   get vertices(): number {
     console.log('Vertices getter called.');
-    return 3;
+    return this.vertices;
   }
 }
 const triangle: Shape = new Shape(3);