diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index 7c47d1f3c4..13f7c5bef5 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -2579,6 +2579,7 @@ Editor::get_state ()
 {
 	XMLNode* node = new XMLNode (X_("Editor"));
 	char buf[32];
+	LocaleGuard lg;
 
 	id().print (buf, sizeof (buf));
 	node->add_property ("id", buf);
diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index 764fc11c9e..31cafc8821 100644
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -1924,6 +1924,7 @@ Mixer_UI::get_state ()
 {
 	XMLNode* node = new XMLNode (X_("Mixer"));
 	char buf[128];
+	LocaleGuard lg;
 
 	node->add_child_nocopy (Tabbable::get_state());