diff --git a/src/day_four.ts b/src/day_four.ts
index f819e03..7a909fa 100644
--- a/src/day_four.ts
+++ b/src/day_four.ts
@@ -28,7 +28,7 @@ export class Scratchcard {
 		if (!matches.length) return 0;
 		if (matches.length === 1) return 1;
 
-		return Math.pow(2, Math.max(matches.length - 1, 1));
+		return Math.pow(2, matches.length - 1);
 	}
 
 	get isWinner() {