diff --git a/gtk2_ardour/step_editing.bindings b/gtk2_ardour/step_editing.bindings
index ee41ab4d0b..5d5c4d956e 100644
--- a/gtk2_ardour/step_editing.bindings
+++ b/gtk2_ardour/step_editing.bindings
@@ -55,6 +55,6 @@
      <Binding key="apostrophe" action="StepEditing/toggle-triplet"/>
      <Binding key="period" action="StepEditing/toggle-dotted"/>
      <Binding key="Primary-period" action="StepEditing/no-dotted"/>
-     <Binding key="bar" action="StepEditing/toggle-chord"/>
+     <Binding key="Tertiary-bar" action="StepEditing/toggle-chord"/>
   </Press>
 </Bindings>