diff --git a/gobject/ChangeLog b/gobject/ChangeLog
index 22ec5b077..0398572d5 100644
--- a/gobject/ChangeLog
+++ b/gobject/ChangeLog
@@ -1,3 +1,7 @@
+Fri Feb 20 02:44:54 2004  Tim Janik  <timj@gtk.org>
+
+	* gtype.h (G_DEFINE_TYPE_EXTENDED): added (GTypeFlags) cast needed by C++.
+
 Tue Feb  3 21:24:01 2004  Tim Janik  <timj@gtk.org>
 
 	* gtype.h (_G_TYPE_CVH): provide a short-cut version for
diff --git a/gobject/gtype.h b/gobject/gtype.h
index 0e9daf879..c9b93b2fb 100644
--- a/gobject/gtype.h
+++ b/gobject/gtype.h
@@ -373,7 +373,7 @@ type_name##_get_type (void) \
         0,      /* n_preallocs */ \
         (GInstanceInitFunc) type_name##_init, \
       }; \
-      g_define_type_id = g_type_register_static (TYPE_PARENT, #TypeName, &g_define_type_info, flags); \
+      g_define_type_id = g_type_register_static (TYPE_PARENT, #TypeName, &g_define_type_info, (GTypeFlags) flags); \
       { CODE ; } \
     } \
   return g_define_type_id; \