diff --git a/app/models/space_api.rb b/app/models/space_api.rb
index 703f173..266abfd 100644
--- a/app/models/space_api.rb
+++ b/app/models/space_api.rb
@@ -27,7 +27,7 @@ def add_people_now_present
                               value: Presence.present_users.count}
 
     if Presence.present_users.count > 0
-      present_people_reading[:names] = Presence.present_users.map(&:name)
+      present_people_reading[:names] = Presence.present_users.map(&:username)
     end
 
     add_sensor name: :people_now_present, data: present_people_reading