diff --git a/gtk2_ardour/step_entry.cc b/gtk2_ardour/step_entry.cc
index dfdc21d5cd..81931022dc 100644
--- a/gtk2_ardour/step_entry.cc
+++ b/gtk2_ardour/step_entry.cc
@@ -51,7 +51,7 @@ StepEntry::StepEntry (MidiTimeAxisView& mtv)
 	, sustain_button (_("sustain"))
 	, rest_button (_("rest"))
 	, grid_rest_button (_("g-rest"))
-	, channel_adjustment (1, 1, 16, 0, 1, 4) 
+	, channel_adjustment (1, 1, 16, 1, 4) 
 	, channel_spinner (channel_adjustment)
 	, _piano (0)
 	, piano (0)