diff --git a/app/models/mailshot.rb b/app/models/mailshot.rb
index 614444f129..9c7ea20a92 100644
--- a/app/models/mailshot.rb
+++ b/app/models/mailshot.rb
@@ -111,11 +111,11 @@ def audience_for_bc_mid_seniors(_)
 
   def audience_for_bc_unspecified_recent_90(_)
     [
-      User::Data.where(seniority: nil).
-        where('user_data.last_visited_on >= ?', Time.current - 90.days).
+      User::Data.where('user_data.last_visited_on >= ?', Time.current - 90.days).
         includes(user: :bootcamp_data),
       lambda do |user_data|
         user = user_data.user
+        return if user.seniority.present?
         return if user.bootcamp_data&.paid?
 
         user