--- a/gladeui/glade-widget.c	2017-08-08 02:17:32 +0800
+++ b/gladeui/glade-widget.c	2025-08-27 15:50:42 +0800
@@ -1192,7 +1192,7 @@
 
 	g_object_class_install_property
 		(object_class, 	PROP_SUPPORT_WARNING,
-		 g_param_spec_string ("support warning", _("Support Warning"),
+		 g_param_spec_string ("support-warning", _("Support Warning"),
 				      _("A warning string about version mismatches"),
 				      NULL, G_PARAM_READABLE));
 
