diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc
index 8a146520ec..09219e76cf 100644
--- a/gtk2_ardour/audio_region_view.cc
+++ b/gtk2_ardour/audio_region_view.cc
@@ -988,7 +988,7 @@ AudioRegionView::set_colors ()
 	if (gain_line) {
 		gain_line->set_line_color (audio_region()->envelope_active() ? 
 					   ARDOUR_UI::config()->color ("gain line") : 
-					   ARDOUR_UI::config()->color ("gain line inactive"));
+					   ARDOUR_UI::config()->color_mod ("gain line inactive", "gain line inactive"));
 	}
 
 	set_waveform_colors ();
@@ -1368,7 +1368,7 @@ AudioRegionView::envelope_active_changed ()
 	if (gain_line) {
 		gain_line->set_line_color (audio_region()->envelope_active() ? 
 					   ARDOUR_UI::config()->color ("gain line") : 
-					   ARDOUR_UI::config()->color ("gain line inactive"));
+					   ARDOUR_UI::config()->color_mod ("gain line inactive", "gain line inactive"));
 		update_envelope_visibility ();
 	}
 }
diff --git a/gtk2_ardour/dark.colors b/gtk2_ardour/dark.colors
index 4d9a7fda22..06b6332229 100644
--- a/gtk2_ardour/dark.colors
+++ b/gtk2_ardour/dark.colors
@@ -33,7 +33,7 @@
     <Color name="color 21" value="0x969696ff"/>
     <Color name="color 22" value="0xe5e5e5ff"/>
     <Color name="color 23" value="0x8000ffff"/>
-    <Color name="color 24" value="0x9fbca2c5"/>
+    <Color name="color 24" value="0x9fbca2ff"/>
     <Color name="color 25" value="0x4a4a4aff"/>
     <Color name="color 26" value="0xc7c9d8ff"/>
     <Color name="color 27" value="0x191919ff"/>
@@ -488,7 +488,7 @@
     <Modifier name="marker bar" modifier="= alpha:0.8"/>
     <Modifier name="mono panner position fill" modifier="= alpha:0.8"/>
     <Modifier name="region base" modifier="= alpha:0.8"/>
-    <Modifier name="modifier 24" modifier="= alpha:0.7725"/>
+    <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="modifier 28" modifier="= alpha:0.7764"/>
     <Modifier name="modifier 3" modifier="= alpha:0.4078"/>
     <Modifier name="modifier 32" modifier="= alpha:0.4666"/>