diff --git a/gtk2_ardour/ardour3_ui_dark.rc.in b/gtk2_ardour/ardour3_ui_dark.rc.in
index 0e4a1ff634..6b5d8e521d 100644
--- a/gtk2_ardour/ardour3_ui_dark.rc.in
+++ b/gtk2_ardour/ardour3_ui_dark.rc.in
@@ -1826,6 +1826,8 @@ widget "*LocationEditCdButton" style:highest "small_red_active_and_selected_butt
 widget "*LocationEditCdButton*" style:highest "small_red_active_and_selected_button"
 widget "*LocationEditHideButton" style:highest "small_red_active_and_selected_button"
 widget "*LocationEditHideButton*" style:highest "small_red_active_and_selected_button"
+widget "*LocationEditLockButton*" style:highest "small_red_active_and_selected_button"
+widget "*LocationEditGlueButton*" style:highest "small_red_active_and_selected_button"
 widget "*LocationEditNumberLabel" style:highest "small_text"
 widget "*LocationLocEditorFrame" style:highest "base_frame"
 widget "*LocationRangeEditorFrame" style:highest "base_frame"