diff --git a/gtk/gtkpopovermenu.c b/gtk/gtkpopovermenu.c
index 0c4f57ecf2..9daae2b8b8 100644
--- a/gtk/gtkpopovermenu.c
+++ b/gtk/gtkpopovermenu.c
@@ -819,7 +819,7 @@ gtk_popover_menu_set_menu_model (GtkPopoverMenu *popover,
  *
  * Returns the menu model used to populate the popover.
  *
- * Returns: (transfer none): the menu model of @popover
+ * Returns: (transfer none) (nullable): the menu model of @popover
  */
 GMenuModel *
 gtk_popover_menu_get_menu_model (GtkPopoverMenu *popover)
diff --git a/gtk/gtkpopovermenubar.c b/gtk/gtkpopovermenubar.c
index b2a3635e5a..a3fbd8fb09 100644
--- a/gtk/gtkpopovermenubar.c
+++ b/gtk/gtkpopovermenubar.c
@@ -746,7 +746,7 @@ gtk_popover_menu_bar_set_menu_model (GtkPopoverMenuBar *bar,
  *
  * Returns the model from which the contents of @bar are taken.
  *
- * Returns: (transfer none): a `GMenuModel`
+ * Returns: (transfer none) (nullable): a `GMenuModel`
  */
 GMenuModel *
 gtk_popover_menu_bar_get_menu_model (GtkPopoverMenuBar *bar)