diff --git a/gtk2_ardour/ardour3_styles.rc.in b/gtk2_ardour/ardour3_styles.rc.in
index 1ab8583cd8..45b77d5aa2 100644
--- a/gtk2_ardour/ardour3_styles.rc.in
+++ b/gtk2_ardour/ardour3_styles.rc.in
@@ -151,6 +151,10 @@ style "meterbridge_label" = "small_text"
 {
 }
 
+style "midi_device" = "very_small_text"
+{
+}
+
 style "solo_isolate" = "very_small_text"
 {
 }
diff --git a/gtk2_ardour/ardour3_ui_default.conf b/gtk2_ardour/ardour3_ui_default.conf
index 35528679d4..7554d1bec9 100644
--- a/gtk2_ardour/ardour3_ui_default.conf
+++ b/gtk2_ardour/ardour3_ui_default.conf
@@ -221,6 +221,14 @@
     <Option name="monitor button: led active" value="ff0000ff"/>
     <Option name="monitor button: text" value="ffffffff"/>
     <Option name="monitor button: text active" value="ffffffff"/>
+    <Option name="midi device: fill start" value="54555dff"/>
+    <Option name="midi device: fill end" value="54555dff"/>
+    <Option name="midi device: fill start active" value="3a3a40ff"/>
+    <Option name="midi device: fill end active" value="45464cff"/>
+    <Option name="midi device: led" value="006600ff"/>
+    <Option name="midi device: led active" value="00ff00ff"/>
+    <Option name="midi device: text" value="c7c7d8ff"/>
+    <Option name="midi device: text active" value="eeeeecff"/>
     <Option name="meterbridge label: fill start" value="444444ff"/>
     <Option name="meterbridge label: fill end" value="333333ff"/>
     <Option name="meterbridge label: text" value="c7c7d8ff"/>
diff --git a/gtk2_ardour/ardour3_widget_list.rc b/gtk2_ardour/ardour3_widget_list.rc
index 5d844d97a8..be455e36e8 100644
--- a/gtk2_ardour/ardour3_widget_list.rc
+++ b/gtk2_ardour/ardour3_widget_list.rc
@@ -355,6 +355,7 @@ widget "*EditorHScrollbar" style:highest "editor_hscrollbar"
 widget "*MidiListView*" style:highest "treeview_display"
 widget "*ProcessorList*" style:highest "processor_list"
 widget "*PortMatrixLabel*" style:highest "small_text"
+widget "*midi device" style:highest "midi_device"
 widget "*MidiTracerTextView" style:highest "midi_tracer_textview"
 widget "*solo isolate" style:highest "solo_isolate"
 widget "*meterbridge label" style:highest "meterbridge_label"
diff --git a/gtk2_ardour/canvas_vars.h b/gtk2_ardour/canvas_vars.h
index 160e1a4bdf..1d2da01ffa 100644
--- a/gtk2_ardour/canvas_vars.h
+++ b/gtk2_ardour/canvas_vars.h
@@ -207,6 +207,7 @@ BUTTON_VARS(ProcessorControlButton, "processor control button")
 BUTTON_VARS(MonitorButton, "monitor button")
 BUTTON_VARS(SoloIsolateButton, "solo isolate")
 BUTTON_VARS(SoloSafeButton, "solo safe")
+BUTTON_VARS(MidiDeviceButton, "midi device")
 BUTTON_VARS(MonitorSectionCutButton, "monitor section cut")
 BUTTON_VARS(MonitorSectionDimButton, "monitor section dim")
 BUTTON_VARS(MonitorSectionSoloButton, "monitor section solo")