diff --git a/reviews/BordedDev/sudoku.modified.js b/reviews/BordedDev/sudoku.modified.js
index 5d3407b..55faac2 100644
--- a/reviews/BordedDev/sudoku.modified.js
+++ b/reviews/BordedDev/sudoku.modified.js
@@ -13,7 +13,7 @@ class EventHandler {
 	}
 
 	on(event, listener) {
-		this.events[event] ||= { name: name, listeners: [], callCount: 0 }
+		this.events[event] ??= { name: name, listeners: [], callCount: 0 }
 		this.events[event].listeners.push(listener)
 	}