diff --git a/gtk2_ardour/ardour_ui2.cc b/gtk2_ardour/ardour_ui2.cc
index c58f5dc9d9..9975acb366 100644
--- a/gtk2_ardour/ardour_ui2.cc
+++ b/gtk2_ardour/ardour_ui2.cc
@@ -370,7 +370,7 @@ ARDOUR_UI::setup_transport ()
 	monitor_disk_button.set_name ("monitor button");
 	auto_input_button.set_name ("transport option button");
 
-	latency_disable_button.set_name ("monitor button");
+	latency_disable_button.set_name ("latency button");
 
 	sync_button.set_name ("transport active option button");
 
diff --git a/gtk2_ardour/themes/blueberry_milk-ardour.colors b/gtk2_ardour/themes/blueberry_milk-ardour.colors
index 6861a2ac26..e7c2828c85 100644
--- a/gtk2_ardour/themes/blueberry_milk-ardour.colors
+++ b/gtk2_ardour/themes/blueberry_milk-ardour.colors
@@ -226,6 +226,9 @@
     <ColorAlias name="inactive group tab" alias="color 34"/>
     <ColorAlias name="invert button: fill active" alias="color 35"/>
     <ColorAlias name="invert button: led active" alias="color 37"/>
+    <ColorAlias name="latency button: fill" alias="color 25"/>
+    <ColorAlias name="latency button: fill active" alias="color 42"/>
+    <ColorAlias name="latency button: led active" alias="color 9"/>
     <ColorAlias name="location cd marker" alias="color 38"/>
     <ColorAlias name="location loop" alias="color 33"/>
     <ColorAlias name="location marker" alias="color 32"/>
diff --git a/gtk2_ardour/themes/caineville-ardour.colors b/gtk2_ardour/themes/caineville-ardour.colors
index 538e03a974..a11b2cd6d3 100644
--- a/gtk2_ardour/themes/caineville-ardour.colors
+++ b/gtk2_ardour/themes/caineville-ardour.colors
@@ -228,6 +228,9 @@
     <ColorAlias name="inactive group tab" alias="color 34"/>
     <ColorAlias name="invert button: fill active" alias="color 35"/>
     <ColorAlias name="invert button: led active" alias="color 37"/>
+    <ColorAlias name="latency button: fill" alias="color 25"/>
+    <ColorAlias name="latency button: fill active" alias="color 42"/>
+    <ColorAlias name="latency button: led active" alias="color 9"/>
     <ColorAlias name="location cd marker" alias="color 38"/>
     <ColorAlias name="location loop" alias="color 39"/>
     <ColorAlias name="location marker" alias="color 32"/>
diff --git a/gtk2_ardour/themes/clear_gray-ardour.colors b/gtk2_ardour/themes/clear_gray-ardour.colors
index 3a60b3ec5f..001ec59380 100644
--- a/gtk2_ardour/themes/clear_gray-ardour.colors
+++ b/gtk2_ardour/themes/clear_gray-ardour.colors
@@ -228,6 +228,9 @@
     <ColorAlias name="inactive group tab" alias="color 34"/>
     <ColorAlias name="invert button: fill active" alias="color 35"/>
     <ColorAlias name="invert button: led active" alias="color 37"/>
+    <ColorAlias name="latency button: fill" alias="color 25"/>
+    <ColorAlias name="latency button: fill active" alias="color 42"/>
+    <ColorAlias name="latency button: led active" alias="color 9"/>
     <ColorAlias name="location cd marker" alias="color 38"/>
     <ColorAlias name="location loop" alias="color 39"/>
     <ColorAlias name="location marker" alias="color 32"/>
diff --git a/gtk2_ardour/themes/cubasish-ardour.colors b/gtk2_ardour/themes/cubasish-ardour.colors
index 68926753de..a966dac0ad 100644
--- a/gtk2_ardour/themes/cubasish-ardour.colors
+++ b/gtk2_ardour/themes/cubasish-ardour.colors
@@ -228,6 +228,9 @@
     <ColorAlias name="inactive group tab" alias="color 34"/>
     <ColorAlias name="invert button: fill active" alias="color 35"/>
     <ColorAlias name="invert button: led active" alias="color 37"/>
+    <ColorAlias name="latency button: fill" alias="color 25"/>
+    <ColorAlias name="latency button: fill active" alias="color 42"/>
+    <ColorAlias name="latency button: led active" alias="color 9"/>
     <ColorAlias name="location cd marker" alias="color 38"/>
     <ColorAlias name="location loop" alias="color 39"/>
     <ColorAlias name="location marker" alias="color 32"/>
diff --git a/gtk2_ardour/themes/dark-ardour.colors b/gtk2_ardour/themes/dark-ardour.colors
index ed62978110..386c5b5a43 100644
--- a/gtk2_ardour/themes/dark-ardour.colors
+++ b/gtk2_ardour/themes/dark-ardour.colors
@@ -233,6 +233,9 @@
     <ColorAlias name="invert button: led active" alias="color 37"/>
     <ColorAlias name="layered button: fill" alias="color 25"/>
     <ColorAlias name="layered button: fill active" alias="color 48"/>
+    <ColorAlias name="latency button: fill" alias="color 25"/>
+    <ColorAlias name="latency button: fill active" alias="color 42"/>
+    <ColorAlias name="latency button: led active" alias="color 9"/>
     <ColorAlias name="location cd marker" alias="color 38"/>
     <ColorAlias name="location loop" alias="color 39"/>
     <ColorAlias name="location marker" alias="color 32"/>
diff --git a/gtk2_ardour/themes/unastudia-ardour.colors b/gtk2_ardour/themes/unastudia-ardour.colors
index c77a6c88d6..57bc411574 100644
--- a/gtk2_ardour/themes/unastudia-ardour.colors
+++ b/gtk2_ardour/themes/unastudia-ardour.colors
@@ -233,6 +233,9 @@
 		<ColorAlias name="inactive group tab" alias="color 34"/>
 		<ColorAlias name="invert button: fill active" alias="color 1"/>
 		<ColorAlias name="invert button: led active" alias="color 37"/>
+    <ColorAlias name="latency button: fill" alias="color 25"/>
+    <ColorAlias name="latency button: fill active" alias="color 42"/>
+    <ColorAlias name="latency button: led active" alias="color 9"/>
 		<ColorAlias name="location cd marker" alias="color 108"/>
 		<ColorAlias name="location loop" alias="color 108"/>
 		<ColorAlias name="location marker" alias="color 108"/>