diff --git a/reviews/BordedDev/sudoku.modified.js b/reviews/BordedDev/sudoku.modified.js
index 73ae5a6..5d3407b 100644
--- a/reviews/BordedDev/sudoku.modified.js
+++ b/reviews/BordedDev/sudoku.modified.js
@@ -29,9 +29,7 @@ class EventHandler {
 		if (this.suppresEvents) return []
 		this.eventCount++
 		const returnValue = this.events[event].listeners.map((listener) => {
-			const returnValue = listener(data)
-			if (returnValue == undefined) return null
-			return returnValue
+			return listener(data) ?? null
 		})
 		this.events[event].callCount++
 		if (this.debugEvents) {