diff --git a/src/Tracker/BaseTracker.php b/src/Tracker/BaseTracker.php
index fa99d36..b8a3462 100644
--- a/src/Tracker/BaseTracker.php
+++ b/src/Tracker/BaseTracker.php
@@ -89,6 +89,7 @@ protected function distinguishProcess($process, $isFirstPosition = false)
         }
 
         $process = strtolower($process);
+
         if (preg_match('(counter|outbound|transhipment|collection|collected|picked up)', $process)) {
             return "item_received";
         }
@@ -105,6 +106,10 @@ protected function distinguishProcess($process, $isFirstPosition = false)
             return "facility_process";
         }
 
+        if (preg_match('(unsuccessful|failed)', $process)) {
+            return "delivery_failed";
+        }
+
         if (preg_match('(delivery|with courier)', $process)) {
             return "out_for_delivery";
         }