diff --git a/gtk2_ardour/step_entry.cc b/gtk2_ardour/step_entry.cc
index fd53fd55ff..927c6f0324 100644
--- a/gtk2_ardour/step_entry.cc
+++ b/gtk2_ardour/step_entry.cc
@@ -470,6 +470,8 @@ StepEntry::StepEntry (StepEditor& seditor)
 	r = RefPtr<RadioAction>::cast_dynamic (act);
 	assert (r);
 	r->set_active (true);
+
+	set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
 }
 
 StepEntry::~StepEntry()