diff --git a/frontend/src/ts/test/result.ts b/frontend/src/ts/test/result.ts
index 8669d7dc51f1..e258a4337e65 100644
--- a/frontend/src/ts/test/result.ts
+++ b/frontend/src/ts/test/result.ts
@@ -433,7 +433,7 @@ function updateConsistency(): void {
 
 function updateTime(): void {
   const afkSecondsPercent = Numbers.roundTo2(
-    (result.afkDuration / result.testDuration) * 100,
+    (result.afkDuration / result.testDuration) * 100 || 0,
   );
   qs("#result .stats .time .bottom .afk")?.setText("");
   if (afkSecondsPercent > 0) {
diff --git a/frontend/src/ts/test/test-logic.ts b/frontend/src/ts/test/test-logic.ts
index 8db390113010..b6cf0c77ca66 100644
--- a/frontend/src/ts/test/test-logic.ts
+++ b/frontend/src/ts/test/test-logic.ts
@@ -1010,7 +1010,8 @@ export async function finish(difficultyFailed = false): Promise<void> {
 
   //afk check
   const kps = TestInput.afkHistory.slice(-5);
-  let afkDetected = kps.every((afk) => afk);
+  let afkDetected = kps.length > 0 && kps.every((afk) => afk);
+
   if (TestState.bailedOut) afkDetected = false;
 
   const mode2Number = parseInt(completedEvent.mode2);