diff --git a/extensions/flags/src/Api/Serializer/FlagSerializer.php b/extensions/flags/src/Api/Serializer/FlagSerializer.php
index 91e6d5fab..8097b6e22 100644
--- a/extensions/flags/src/Api/Serializer/FlagSerializer.php
+++ b/extensions/flags/src/Api/Serializer/FlagSerializer.php
@@ -30,6 +30,7 @@ class FlagSerializer extends AbstractSerializer
             'type'         => $flag->type,
             'reason'       => $flag->reason,
             'reasonDetail' => $flag->reason_detail,
+            'time'         => $this->formatDate($flag->time),
         ];
     }