diff --git a/gtk/Gtk.metadata b/gtk/Gtk.metadata
index cd04c62f3..6d4a31086 100644
--- a/gtk/Gtk.metadata
+++ b/gtk/Gtk.metadata
@@ -798,6 +798,8 @@
   <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetHadjustment']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetBackgroundArea']/*/*[@name='rect']" name="pass_as">out</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetPathAtPos']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetTooltipContext']/*/parameter[@name='x']" name="pass_as">ref</attr>
+  <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetTooltipContext']/*/parameter[@name='y']" name="pass_as">ref</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetTooltipContext']/*/parameter[@name='iter']" name="pass_as">out</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetTooltipContext']/*/parameter[@name='model']" name="pass_as">out</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeView']/method[@name='GetTooltipContext']/*/parameter[@name='path']" name="pass_as">out</attr>