diff --git a/midi_maps/Korg_nanoKONTROL2_With_Master.map b/midi_maps/Korg_nanoKONTROL2_With_Master.map
index a8777ac782..b1aabb60f4 100644
--- a/midi_maps/Korg_nanoKONTROL2_With_Master.map
+++ b/midi_maps/Korg_nanoKONTROL2_With_Master.map
@@ -81,7 +81,7 @@
   
   
   <Binding channel="1" ctl="23" uri="/bus/panwidth master"/>
-  <Binding channel="1" ctl="39" action="Common/toggle-mixer-on-top"/>
+  <Binding channel="1" ctl="39" action="Common/toggle-editor-and-mixer"/>
   <Binding channel="1" ctl="55" uri="/bus/mute master"/>
   <Binding channel="1" ctl="7"  uri="/bus/gain master"/>