diff --git a/cron/scheduler.py b/cron/scheduler.py
index 417c3eb4..a7c9c6ed 100644
--- a/cron/scheduler.py
+++ b/cron/scheduler.py
@@ -136,6 +136,7 @@ def _deliver_result(job: dict, content: str) -> None:
         "slack": Platform.SLACK,
         "whatsapp": Platform.WHATSAPP,
         "signal": Platform.SIGNAL,
+        "matrix": Platform.MATRIX,
         "email": Platform.EMAIL,
         "sms": Platform.SMS,
     }