diff --git a/src/components/ScoreStats.js b/src/components/ScoreStats.js
index 63430da..fdc10a9 100644
--- a/src/components/ScoreStats.js
+++ b/src/components/ScoreStats.js
@@ -20,7 +20,7 @@ export default class ScoreStats extends Component {
 
 	render() {
 		const data = this.props.data;
-		const currentPP = Utils.calculatePP(
+		let currentPP = Utils.calculatePP(
 			data.mapStarCount,
 			data.percentage.replace("%", ""),
 			data.websiteType
diff --git a/src/consts/LeaderboardType.js b/src/consts/LeaderboardType.js
index ca1dacd..6437607 100644
--- a/src/consts/LeaderboardType.js
+++ b/src/consts/LeaderboardType.js
@@ -40,7 +40,7 @@ const WebsiteTypes = {
 				return undefined;
 			}
 			const pp = this.curve(acc / 100, stars - 0.5) * (stars + 0.5) * 42;
-			return pp == NaN ? undefined : pp;
+			return Number.isNaN(pp) ? undefined : pp;
 		},
 	},
 	Test: {