diff --git a/data/part-13/3-event-handling.md b/data/part-13/3-event-handling.md
index b0055262b..6d7e2c543 100644
--- a/data/part-13/3-event-handling.md
+++ b/data/part-13/3-event-handling.md
@@ -219,7 +219,7 @@ leftText.textProperty().addListener(new ChangeListener<String>() {
             String oldValue, String newValue) {
 
         System.out.println(oldValue + " -> " + newValue);
-        oikeaTeksti.setText(newValue);
+        rightText.setText(newValue);
     }
 });
 ```