diff --git a/gtk2_ardour/icons/mixer_strip_meter_marks.png b/gtk2_ardour/icons/mixer_strip_meter_marks.png
index c46b826184..c4f9dc1344 100644
Binary files a/gtk2_ardour/icons/mixer_strip_meter_marks.png and b/gtk2_ardour/icons/mixer_strip_meter_marks.png differ
diff --git a/gtk2_ardour/icons/slider_controller_active_fader.png b/gtk2_ardour/icons/slider_controller_active_fader.png
index d75264446b..5629cb2de8 100644
Binary files a/gtk2_ardour/icons/slider_controller_active_fader.png and b/gtk2_ardour/icons/slider_controller_active_fader.png differ
diff --git a/gtk2_ardour/icons/slider_controller_fader.png b/gtk2_ardour/icons/slider_controller_fader.png
index b79daa3b36..6d7d6add05 100644
Binary files a/gtk2_ardour/icons/slider_controller_fader.png and b/gtk2_ardour/icons/slider_controller_fader.png differ