diff --git a/lib/Tracking_USPS.lib.php b/lib/Tracking_USPS.lib.php
index 6efacad..eccd9f1 100644
--- a/lib/Tracking_USPS.lib.php
+++ b/lib/Tracking_USPS.lib.php
@@ -138,7 +138,7 @@ class Tracking_USPS {
             }
             $info->appendHistoryEntry(new TrackingEntry(
                             TrackingStatus::USPSEventCodeToStatus((string) $history->EventCode),
-                            ((string) $history->Event),
+                            ((string) $history->Event) . (TrackingStatus::USPSEventCodeToStatus((string) $history->EventCode) == TrackingStatus::TRACKING_STATUS_UNKNOWN ? " " . (string) $history->EventCode : ""),
                             $datetime,
                             $location,
                             TrackingStatus::isUSPSEventCodeContainerScan((string) $history->EventCode)));