diff --git a/opentech/apply/activity/messaging.py b/opentech/apply/activity/messaging.py
index 9670b276775f3a375914616dfa9e20e3d48cb4ad..c0ceeea24868c5e1191c711de847e312543d7bac 100644
--- a/opentech/apply/activity/messaging.py
+++ b/opentech/apply/activity/messaging.py
@@ -99,7 +99,7 @@ class ActivityAdapter(AdapterBase):
         return [None]
 
     def extra_kwargs(self, message_type, **kwargs):
-        if message_type == MESSAGES.OPENED_SEALED:
+        if message_type in [MESSAGES.OPENED_SEALED, MESSAGES.REVIEWERS_UPDATED]:
             from .models import INTERNAL
             return {'visibility': INTERNAL}
         return {}