diff --git a/ui/src/components/CountDown.vue b/ui/src/components/CountDown.vue
index 0d9cd6c..6836801 100644
--- a/ui/src/components/CountDown.vue
+++ b/ui/src/components/CountDown.vue
@@ -23,7 +23,7 @@ export default class extends Vue {
   public string_repr = "";
 
   private get target_date_ms(): number {
-    return new Date(Date.now() + this.millis).getTime();
+    return Date.now() + this.millis;
   }
 
   private tick(): void {