diff --git a/ChangeLog b/ChangeLog
index 569c6343d..6434f5784 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2004-04-0  John Luke  <jluke@cfl.rr.com>
+
+	* gtk/Gtk.metadata: mark Gtk.Widget.ModifyFont font_desc null_ok
+
 2004-04-07  Gonzalo Paniagua Javier <gonzalo@ximian.com>
 
 	* glib/Value.cs: added StructLayout attribute as requested by the
diff --git a/gtk/Gtk.metadata b/gtk/Gtk.metadata
index 6d3aa2c24..1b21054dc 100644
--- a/gtk/Gtk.metadata
+++ b/gtk/Gtk.metadata
@@ -268,6 +268,7 @@
   <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='Path']/*/*[@type='gchar**']" name="pass_as">out</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='Ref']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='SetEvents']/*/*[@type='gint']" name="type">GdkEventMask</attr>
+  <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='ModifyFont']/parameters/parameter[@type='PangoFontDescription*']" name="null_ok">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='SetScrollAdjustments']/*/*[@type='GtkAdjustment*']" name="null_ok">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='SetStyle']/*/*[@type='GtkStyle*']" name="null_ok">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/method[@name='SizeRequest']/*/*[@name='requisition']" name="pass_as">ref</attr>