diff --git a/app/server/ruby/lib/sonicpi/tau_api.rb b/app/server/ruby/lib/sonicpi/tau_api.rb
index 20ece56d68..940b015660 100644
--- a/app/server/ruby/lib/sonicpi/tau_api.rb
+++ b/app/server/ruby/lib/sonicpi/tau_api.rb
@@ -221,11 +221,11 @@ def link_current_time_and_beat(quantise_beat=true)
     end
 
     def midi_system_start!
-      @tau_comms.send("/stop-start-midi-cues", 1)
+      @tau_comms.send("/stop-start-midi-cues", true)
     end
 
     def midi_system_stop!
-      @tau_comms.send("/stop-start-midi-cues", 0)
+      @tau_comms.send("/stop-start-midi-cues", false)
     end
 
     def start_stop_cue_server!(stop)