diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index cbeaae9886..a2ba7891c8 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -3289,8 +3289,8 @@ Editor::duplicate_dialog (bool with_dialog)
 
 	if (with_dialog) {
 
-		ArdourDialog win ("Duplicate");
-		Label  label (_("Number of Duplications:"));
+		ArdourDialog win (_("Duplicate"));
+		Label label (_("Number of Duplications:"));
 		Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
 		SpinButton spinner (adjustment, 0.0, 1);
 		HBox hbox;
diff --git a/gtk2_ardour/theme_manager.cc b/gtk2_ardour/theme_manager.cc
index ac61efa5ec..1e4e0aac3c 100644
--- a/gtk2_ardour/theme_manager.cc
+++ b/gtk2_ardour/theme_manager.cc
@@ -48,10 +48,10 @@ sigc::signal<void> ColorsChanged;
 sigc::signal<void,uint32_t> ColorChanged;
 
 ThemeManager::ThemeManager()
-	: ArdourDialog ("ThemeManager"),
-	dark_button ("Dark theme"),
-	light_button ("Light theme"),
-	reset_button ("Restore Defaults")
+	: ArdourDialog (_("ThemeManager")),
+	  dark_button (_("Dark Theme")),
+	  light_button (_("Light Theme")),
+	  reset_button (_("Restore Defaults"))
 {
 	set_title (_("Theme Manager"));