diff --git a/.changeset/mean-moose-sneeze.md b/.changeset/mean-moose-sneeze.md
index 42982c802c..2b0d66ffb2 100644
--- a/.changeset/mean-moose-sneeze.md
+++ b/.changeset/mean-moose-sneeze.md
@@ -2,4 +2,4 @@
 '@backstage/plugin-circleci': patch
 ---
 
-Remove moment as part 1 of migration to lexon
+Remove moment as part 1 of migration to `lexon`
diff --git a/plugins/circleci/src/util/time.ts b/plugins/circleci/src/util/time.ts
index 8756333a87..4e9ca0b238 100644
--- a/plugins/circleci/src/util/time.ts
+++ b/plugins/circleci/src/util/time.ts
@@ -31,5 +31,7 @@ export function durationHumanized(
   startTime: DateTimeObject,
   endTime: DateTimeObject,
 ) {
-  return dayjs.duration(dayjs(startTime).diff(dayjs(endTime))).humanize();
+  return dayjs
+    .duration(dayjs(startTime).diff(dayjs(endTime || new Date())))
+    .humanize();
 }