diff --git a/ruby/lib/jam_ruby/models/track.rb b/ruby/lib/jam_ruby/models/track.rb
index 554807ea3..6ad15159a 100644
--- a/ruby/lib/jam_ruby/models/track.rb
+++ b/ruby/lib/jam_ruby/models/track.rb
@@ -75,8 +75,13 @@ module JamRuby
           to_delete = Set.new(connection_tracks)
           to_add = Array.new(tracks)
 
+          tracks.each do |track|
+            instruments << track[:instrument_id]
+          end
+
           connection_tracks.each do |connection_track|
             tracks.each do |track|
+
               if track[:id] == connection_track.id || track[:client_track_id] == connection_track.client_track_id
                 to_delete.delete(connection_track)
                 to_add.delete(track)
@@ -85,8 +90,6 @@ module JamRuby
                 connection_track.sound = track[:sound]
                 connection_track.client_track_id = track[:client_track_id]
 
-                instruments << track[:instrument_id]
-
                 result.push(connection_track)
 
                 if connection_track.save