diff --git a/inbox.py b/inbox.py
index 31647ef78..fb5df0406 100644
--- a/inbox.py
+++ b/inbox.py
@@ -125,7 +125,7 @@ def inboxMessageHasParams(messageJson: {}) -> bool:
         if not messageJson.get(param):
             return False
     if not messageJson.get('to'):
-        allowedWithoutToParam=['Follow','Request','Capability','Undo']
+        allowedWithoutToParam=['Follow','Request','Accept','Capability','Undo']
         if messageJson['type'] not in allowedWithoutToParam:
             return False
     return True