adw: clean up wrap functions

1 files changed, 3 insertions, 1 deletions

diff --git a/src/breakpoint.cpp b/src/breakpoint.cpp
index dd930a3..ed1c7f0 100644
--- a/src/breakpoint.cpp
+++ b/src/breakpoint.cpp
@@ -10,6 +10,7 @@
 #include <glibmm/refptr.h>
 #include <glibmm/ustring.h>
 #include <glibmm/wrap.h>
+#include <gtkmm/buildable.h>
 
 #include <glib-object.h>
 
@@ -102,7 +103,8 @@ namespace turns::adw
     if (!gtype_)
     {
       class_init_func_ = &class_init_function;
-      gtype_ = adw_breakpoint_get_type();
+      register_derived_type(adw_breakpoint_get_type());
+      Gtk::Buildable::add_interface(get_type());
     }
     return *this;
   }