diff --git a/gtk2_ardour/themes/Blueberry Milk.colors b/gtk2_ardour/themes/Blueberry Milk.colors
index c65c1c5b2d..37f15b80be 100755
--- a/gtk2_ardour/themes/Blueberry Milk.colors	
+++ b/gtk2_ardour/themes/Blueberry Milk.colors	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Ardour>
+<Ardour theme-name="Blueberry Milk">
   <Colors>
     <Color name="color 1" value="0x20b2b2ff"/>
     <Color name="color 10" value="0xe3dedeff"/>
diff --git a/gtk2_ardour/themes/Cainelton.colors b/gtk2_ardour/themes/Cainelton.colors
index 44180308fc..a108e9ca79 100755
--- a/gtk2_ardour/themes/Cainelton.colors
+++ b/gtk2_ardour/themes/Cainelton.colors
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Ardour>
+<Ardour theme-name="Cainelton">
   <Colors>
     <Color name="color 1" value="0x20b2b2ff"/>
     <Color name="color 10" value="0xf0f0f0ff"/>
diff --git a/gtk2_ardour/themes/Cubasish.colors b/gtk2_ardour/themes/Cubasish.colors
index e2436c3c96..45edba11a2 100755
--- a/gtk2_ardour/themes/Cubasish.colors
+++ b/gtk2_ardour/themes/Cubasish.colors
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Ardour>
+<Ardour theme-name="Cubasish">
   <Colors>
     <Color name="color 1" value="0x31c9b2ff"/>
     <Color name="color 10" value="0xf0f0f0ff"/>
diff --git a/gtk2_ardour/themes/dark.colors b/gtk2_ardour/themes/dark.colors
index 256e866b07..52092a8c4e 100644
--- a/gtk2_ardour/themes/dark.colors
+++ b/gtk2_ardour/themes/dark.colors
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Ardour>
+<Ardour theme-name="dark">
   <Colors>
     <Color name="color 1" value="0x20b2b2ff"/>
     <Color name="color 10" value="0xf0f0f0ff"/>