diff --git a/src/app/page.tsx b/src/app/page.tsx
index 85d169c..573e3e6 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -53,12 +53,23 @@ export default function Home() {
     setInterval(updateRank, 1000 * 60 * 1); // update every minute
   }, [mounted, updateRank]);
 
-  /**
-   * {!playerId && <p>Invalid player ID</p>}
-      {!rank && <p>Invalid rank</p>}
-      {!ppDiff && <p>Calculating...</p>}
-   */
-  if (!playerId || !rank || !ppDiff) {
+  if (!playerId) {
+    return (
+      <main className="text-xl text-white">
+        <p>Invalid or missing player ID</p>
+      </main>
+    );
+  }
+
+  if (!rank) {
+    return (
+      <main className="text-xl text-white">
+        <p>Invalid or missing rank</p>
+      </main>
+    );
+  }
+
+  if (!ppDiff) {
     return (
       <main className="text-xl text-white">
         <p>Calculating...</p>