diff --git a/app/models.py b/app/models.py
index 7accfc7c5..93a9bcd0c 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1135,6 +1135,7 @@ NOTIFICATION_STATUS_TYPES_COMPLETED = [
     NOTIFICATION_TEMPORARY_FAILURE,
     NOTIFICATION_PERMANENT_FAILURE,
     NOTIFICATION_RETURNED_LETTER,
+    NOTIFICATION_CANCELLED,
 ]
 
 NOTIFICATION_STATUS_SUCCESS = [
diff --git a/app/service/statistics.py b/app/service/statistics.py
index 3d22b20d6..e1ed57aeb 100644
--- a/app/service/statistics.py
+++ b/app/service/statistics.py
@@ -86,7 +86,7 @@ def _update_statuses_from_row(update_dict, row):
         update_dict['delivered'] += row.count
     elif row.status in (
             'failed', 'technical-failure', 'temporary-failure',
-            'permanent-failure', 'validation-failed', 'virus-scan-failed'):
+            'permanent-failure', 'validation-failed', 'virus-scan-failed', 'cancelled'):
         update_dict['failed'] += row.count
 
 
diff --git a/tests/app/service/test_statistics.py b/tests/app/service/test_statistics.py
index 715553359..6ba357d3b 100644
--- a/tests/app/service/test_statistics.py
+++ b/tests/app/service/test_statistics.py
@@ -38,7 +38,8 @@ NewStatsRow = collections.namedtuple('row', ('notification_type', 'status', 'key
         StatsRow('letter', 'validation-failed', 1),
         StatsRow('letter', 'virus-scan-failed', 1),
         StatsRow('letter', 'permanent-failure', 1),
-    ], [4, 0, 4], [0, 0, 0], [3, 0, 3]),
+        StatsRow('letter', 'cancelled', 1),
+    ], [4, 0, 4], [0, 0, 0], [4, 0, 4]),
     'convert_sent_to_delivered': ([
         StatsRow('sms', 'sending', 1),
         StatsRow('sms', 'delivered', 1),