diff --git a/lib/support/har/index.js b/lib/support/har/index.js
index a9daa3d20..2d6e04099 100644
--- a/lib/support/har/index.js
+++ b/lib/support/har/index.js
@@ -319,6 +319,9 @@ export function getFullyLoaded(har) {
 
     let pageEntries = [...entries];
     pageEntries = pageEntries.filter(entry => entry.pageref === pageId);
+    // Skip pages without any requests, like the empty HAR
+    // that is added for a failing iteration
+    if (pageEntries.length === 0) continue;
 
     let pageEnd = 0;
     for (let entry of pageEntries) {
diff --git a/test/unittests/harBuilderTest.js b/test/unittests/harBuilderTest.js
index 0c1b63395..bb97913d5 100644
--- a/test/unittests/harBuilderTest.js
+++ b/test/unittests/harBuilderTest.js
@@ -3,7 +3,9 @@ const { serial } = test;
 import {
   addCreator,
   mergeHars,
-  addExtraFieldsToHar
+  addExtraFieldsToHar,
+  getEmptyHAR,
+  getFullyLoaded
 } from '../../lib/support/har/index.js';
 
 let har;
@@ -311,6 +313,25 @@ test('Omit `_longTasks` entirely when pageinfo has no longTask field', t => {
   t.is(har.log.pages[0].pageTimings._longTasks, undefined);
 });
 
+test('Skip pages without entries when getting fully loaded', t => {
+  // A failing iteration adds an empty HAR (without _url) that
+  // should not end up as a page without an URL in the result
+  har.log.pages[0]._url = 'https://example.com';
+  har.log.pages[0].startedDateTime = '2026-08-09T06:46:00.000Z';
+  har.log.entries[0].startedDateTime = '2026-08-09T06:46:00.100Z';
+  har.log.entries[0].time = 200;
+
+  const merged = mergeHars([
+    har,
+    getEmptyHAR('https://example.com', 'Firefox')
+  ]);
+  const fullyLoaded = getFullyLoaded(merged);
+
+  t.is(fullyLoaded.length, 1);
+  t.is(fullyLoaded[0].url, 'https://example.com');
+  t.is(fullyLoaded[0].fullyLoaded, 300);
+});
+
 test('Tag the first entry of each page with `_documentURL`', t => {
   // Cross-origin tinting in waterfall-tools reads `entries[0]._documentURL`
   // to decide which request labels are third-party — without this, the