diff --git a/gtk/gtksearchbar.c b/gtk/gtksearchbar.c
index 7be0f004ef..edb9094db8 100644
--- a/gtk/gtksearchbar.c
+++ b/gtk/gtksearchbar.c
@@ -663,7 +663,7 @@ gtk_search_bar_set_key_capture_widget (GtkSearchBar *bar,
  *
  * Gets the widget that @bar is capturing key events from.
  *
- * Returns: (transfer none): The key capture widget.
+ * Returns: (nullable) (transfer none): The key capture widget.
  **/
 GtkWidget *
 gtk_search_bar_get_key_capture_widget (GtkSearchBar *bar)
diff --git a/gtk/gtksearchentry.c b/gtk/gtksearchentry.c
index 6708fcc3af..2e30446a4d 100644
--- a/gtk/gtksearchentry.c
+++ b/gtk/gtksearchentry.c
@@ -763,7 +763,7 @@ gtk_search_entry_set_key_capture_widget (GtkSearchEntry *entry,
  *
  * Gets the widget that @entry is capturing key events from.
  *
- * Returns: (transfer none): The key capture widget.
+ * Returns: (nullable) (transfer none): The key capture widget.
  */
 GtkWidget *
 gtk_search_entry_get_key_capture_widget (GtkSearchEntry *entry)