diff --git a/app/models/notification.rb b/app/models/notification.rb
index c71bdbb62..cf04e995a 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -122,7 +122,7 @@ class Notification < ApplicationRecord
       message_body(conversation.messages.first)
     when 'assigned_conversation_new_message', 'participating_conversation_new_message', 'conversation_mention'
       message_body(secondary_actor)
-    when 'conversation_assignment'
+    when 'conversation_assignment', 'sla_missed_first_response', 'sla_missed_next_response', 'sla_missed_resolution'
       message_body(conversation.messages.incoming.last)
     else
       ''