diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py
index 9815365f54..763fea3a24 100644
--- a/synapse/handlers/deactivate_account.py
+++ b/synapse/handlers/deactivate_account.py
@@ -122,7 +122,7 @@ class DeactivateAccountHandler(BaseHandler):
 
         # Reject all pending invites for the user, so that it doesn't show up in the
         # invitees list of rooms.
-        self._reject_pending_invites_for_user(user_id)
+        yield self._reject_pending_invites_for_user(user_id)
 
         # Remove all information on the user from the account_validity table.
         if self._account_validity_enabled:
@@ -133,6 +133,7 @@ class DeactivateAccountHandler(BaseHandler):
 
         return identity_server_supports_unbinding
 
+    @defer.inlineCallbacks
     def _reject_pending_invites_for_user(self, user_id):
         """Reject pending invites addressed to a given user ID.
 
@@ -142,6 +143,8 @@ class DeactivateAccountHandler(BaseHandler):
         user = UserID.from_string(user_id)
         pending_invites = yield self.store.get_invited_rooms_for_user(user_id)
 
+        logger.info(pending_invites)
+
         for room in pending_invites:
             try:
                 yield self._room_member_handler.update_membership(
@@ -152,6 +155,11 @@ class DeactivateAccountHandler(BaseHandler):
                     ratelimit=False,
                     require_consent=False,
                 )
+                logger.info(
+                    "Rejected invite for user %r in room %r",
+                    user_id,
+                    room.room_id,
+                )
             except Exception:
                 logger.exception(
                     "Failed to reject invite for user %r in room %r:"