diff --git a/src/pages/ExportPage.tsx b/src/pages/ExportPage.tsx
index b005bb1..bd33b92 100644
--- a/src/pages/ExportPage.tsx
+++ b/src/pages/ExportPage.tsx
@@ -3858,7 +3858,7 @@ function ExportPage() {
       loaded,
       statusLabel: getLoadDetailStatusLabel(loaded, total, hasStarted),
       startedAt: earliestStart,
-      finishedAt: latestFinish
+      finishedAt: loaded >= total ? latestFinish : undefined
     }
   }, [getLoadDetailStatusLabel, sessionLoadTraceMap])