diff --git a/web/frontend/src/components/AttemptList.vue b/web/frontend/src/components/AttemptList.vue
index 3598162..31cf676 100644
--- a/web/frontend/src/components/AttemptList.vue
+++ b/web/frontend/src/components/AttemptList.vue
@@ -24,7 +24,10 @@ export default class AttemptList extends Vue {
       sortable: true,
       formatter: (value: string): string => {
         const d = new Date(value);
-        return `${d.getUTCHours()}:${d.getUTCMinutes()}:${d.getUTCSeconds()}`;
+        const hours = d.getUTCHours();
+        const minutes = d.getUTCMinutes();
+        const seconds = d.getUTCSeconds();
+        return `${hours}:${minutes}:${seconds}`;
       },
       sortByFormatted: false,
     },