diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index 4ef7c014bb..3ae527cc9a 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -2879,7 +2879,7 @@ MidiRegionView::set_frame_color()
         f = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
 
         if (!rect_visible) {
-                f = UINT_RGBA_CHANGE_A (f, 0);
+                f = UINT_RGBA_CHANGE_A (f, 64);
         }
 
         frame->property_outline_color_rgba() = f;