diff --git a/src/app/app.component.html b/src/app/app.component.html
index 17f3fb1..9e150d3 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -169,7 +169,7 @@
 							<p class="text-sm mb-1">Finished {{ job.finishedOn | amTimeAgo }}</p>
 						</div>
 						<div class="col-12">
-							<p class="text-sm mb-1">Duration: {{ ((job.finishedOn - job.processedOn)/1000) | amDuration:'seconds' }}</p>
+							<p class="text-sm mb-1">Duration: {{ job.finishedOn ? (((job.finishedOn - job.processedOn)/1000) | amDuration:'seconds') : 'In progress' }}</p>
 						</div>
 					</div>
 					<div class="alert alert-danger mt-2 mb-1" *ngIf="job.state === 'failed' && job.failedReason">