diff --git a/web/src/routes/week/+page.svelte b/web/src/routes/week/+page.svelte
index 5e7f5bb..57e84be 100644
--- a/web/src/routes/week/+page.svelte
+++ b/web/src/routes/week/+page.svelte
@@ -141,7 +141,7 @@
 
 	{#if closedWeek}
 		<div class="week-closed">
-			<p>Week closed — overtime: <strong>{formatDelta(closedWeek.delta_ms)}</strong></p>
+			<p>Week closed — overtime: <strong>{formatDelta(totalWorkedMs - expectedMs)}</strong></p>
 			<button onclick={handleReopenWeek}>Reopen week</button>
 		</div>
 	{:else if canCloseWeek}