diff --git a/opentech/apply/activity/messaging.py b/opentech/apply/activity/messaging.py
index 305b9cc5877c1494be8391275b6e7e60f6905a5b..410afbed1fa4afa0ad733b4363b4f57003cfb428 100644
--- a/opentech/apply/activity/messaging.py
+++ b/opentech/apply/activity/messaging.py
@@ -212,7 +212,13 @@ class ActivityAdapter(AdapterBase):
 
     def extra_kwargs(self, message_type, submission, submissions, **kwargs):
         from .models import INTERNAL
-        if message_type in [MESSAGES.OPENED_SEALED, MESSAGES.REVIEWERS_UPDATED, MESSAGES.SCREENING, MESSAGES.REVIEW_OPINION]:
+        if message_type in [
+                MESSAGES.OPENED_SEALED,
+                MESSAGES.REVIEWERS_UPDATED,
+                MESSAGES.SCREENING,
+                MESSAGES.REVIEW_OPINION,
+                MESSAGES.BATCH_REVIEWERS_UPDATED,
+        ]:
             return {'visibility': INTERNAL}
 
         submission = submission or submissions[0]