diff --git a/gio/Gio.metadata b/gio/Gio.metadata
index aa094727c..f30a6662c 100644
--- a/gio/Gio.metadata
+++ b/gio/Gio.metadata
@@ -151,6 +151,12 @@
   <attr path="/api/namespace/object[@cname='GResolver']/*[@name='LookupServiceFinish']/return-type" name="elements_owned">true</attr>
   <attr path="/api/namespace/object[@cname='GSettings']/method[@name='GetStrv']/return-type" name="null_term_array">1</attr>
   <attr path="/api/namespace/object[@cname='GSettings']/method[@name='GetStrv']/return-type" name="owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GSettings']/method[@name='ListChildren']/return-type" name="null_term_array">1</attr>
+  <attr path="/api/namespace/object[@cname='GSettings']/method[@name='ListChildren']/return-type" name="owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GSettings']/method[@name='ListKeys']/return-type" name="null_term_array">1</attr>
+  <attr path="/api/namespace/object[@cname='GSettings']/method[@name='ListKeys']/return-type" name="owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GSettings']/method[@name='ListRelocatableSchemas']/return-type" name="null_term_array">1</attr>
+  <attr path="/api/namespace/object[@cname='GSettings']/method[@name='ListSchemas']/return-type" name="null_term_array">1</attr>
   <attr path="/api/namespace/object[@cname='GSettings']/method[@name='SetStrv']/*/*[@name='value']" name="null_term_array">1</attr>
   <attr path="/api/namespace/object[@cname='GSimpleAction']/signal[@cname='activate']" name="name">Activated</attr>
   <attr path="/api/namespace/object[@cname='GSimpleAsyncResult']/constructor[@cname='g_simple_async_result_new_error']" name="hidden">1</attr>