diff --git a/lib/TrackingStatus.lib.php b/lib/TrackingStatus.lib.php
index da13c4c..a36e10c 100644
--- a/lib/TrackingStatus.lib.php
+++ b/lib/TrackingStatus.lib.php
@@ -194,6 +194,7 @@ class TrackingStatus {
             case "86":
             case "87":
             case "LD": // letter estimated to be delivered today
+            case "I0": // International something or other
                 return TrackingStatus::TRACKING_STATUS_DELIVERED;
             case "04":
             case "05":