diff --git a/gtk2_ardour/latency_gui.cc b/gtk2_ardour/latency_gui.cc
index 73b6bf1a30..c7e5693f01 100644
--- a/gtk2_ardour/latency_gui.cc
+++ b/gtk2_ardour/latency_gui.cc
@@ -52,7 +52,7 @@ LatencyGUI::LatencyGUI (Latent& l, framepos_t sr, framepos_t psz)
 {
 	Widget* w;
 
-	if (unit_strings.empty()) {
+	if (!unit_strings.empty()) {
 		unit_strings = I18N (_unit_strings);
 	}
 
diff --git a/gtk2_ardour/plugin_ui.cc b/gtk2_ardour/plugin_ui.cc
index 9be3d50841..341fadbeb8 100644
--- a/gtk2_ardour/plugin_ui.cc
+++ b/gtk2_ardour/plugin_ui.cc
@@ -516,7 +516,7 @@ PlugUIBase::latency_button_clicked ()
 {
 	if (!latency_gui) {
 		latency_gui = new LatencyGUI (*(insert.get()), insert->session().frame_rate(), insert->session().get_block_size());
-		latency_dialog = new ArdourDialog ("Edit Latency", false, false);
+		latency_dialog = new ArdourDialog (_("Edit Latency"), false, false);
 		latency_dialog->get_vbox()->pack_start (*latency_gui);
 		latency_dialog->signal_hide().connect (sigc::mem_fun (*this, &PlugUIBase::set_latency_label));
 	}