diff --git a/lib/jam_ruby/models/user.rb b/lib/jam_ruby/models/user.rb
index c3a6388f2..8421873b9 100644
--- a/lib/jam_ruby/models/user.rb
+++ b/lib/jam_ruby/models/user.rb
@@ -312,13 +312,36 @@ module JamRuby
     def self.save_session_settings(user, music_session)
       unless user.nil?
 
+        # only save genre id and description
+        genres = []
+        unless music_session.genres.nil?
+          music_session.genres.each do |genre|
+            g = Hash.new
+            g["id"] = genre.id
+            g["description"] = genre.description
+            genres << g
+          end
+        end
+
+        # only save invitation receiver id and name
+        invitees = []
+        unless music_session.invitations.nil?
+          music_session.invitations.each do |invitation|
+            i = Hash.new
+            i["id"] = invitation.receiver.id
+            i["name"] = invitation.receiver.name
+            invitees << i
+          end
+        end
+
         session_settings = { :band_id => music_session.band_id, 
                              :musician_access => music_session.musician_access,
                              :approval_required => music_session.approval_required,
                              :fan_chat => music_session.fan_chat,
                              :fan_access => music_session.fan_access,
                              :description => music_session.description,
-                             :genres => music_session.genres
+                             :genres => genres,
+                             :invitees => invitees
                            }.to_json
 
         user.session_settings = session_settings