diff --git a/gtk2_ardour/ardour.menus.in b/gtk2_ardour/ardour.menus.in
index 8ed6ae70b5..5ada15a157 100644
--- a/gtk2_ardour/ardour.menus.in
+++ b/gtk2_ardour/ardour.menus.in
@@ -601,7 +601,7 @@
           <menuitem action='detach-mixer'/>
   </popup>
 
-  <popup action="prefsTabbableButtonMenu">
+  <popup action="preferencesTabbableButtonMenu">
           <menuitem action='show-preferences'/>
           <menuitem action='hide-preferences'/>
           <menuitem action='attach-preferences'/>