diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc
index 31a47f8e07..885da03652 100644
--- a/gtk2_ardour/audio_region_view.cc
+++ b/gtk2_ardour/audio_region_view.cc
@@ -1596,7 +1596,7 @@ AudioRegionView::set_some_waveform_colors (vector<ArdourWaveView::WaveView*>& wa
 		fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform fill"), 0xC0);
 	} else if (_region->muted()) {
 		outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform outline"), 80);
-		fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform fill"), 0);
+		fill = UINT_INTERPOLATE(fill_color, UIConfiguration::instance().color ("covered region"), 0.7);
 	} else if (!_region->opaque()) {
 		outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform outline"), 70);
 		fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform fill"), 70);