diff --git a/demos/gtk-demo/builder.c b/demos/gtk-demo/builder.c
index e7c31ccab0..254ecdc166 100644
--- a/demos/gtk-demo/builder.c
+++ b/demos/gtk-demo/builder.c
@@ -2,7 +2,7 @@
  *
  * Demonstrates an interface loaded from a XML description.
  */
-
+#undef GTK_DISABLE_DEPRECATED
 #include <gtk/gtk.h>
 
 static GtkBuilder *builder;