diff --git a/gio/gasyncresult.h b/gio/gasyncresult.h
index a073655b5..9c8184fa6 100644
--- a/gio/gasyncresult.h
+++ b/gio/gasyncresult.h
@@ -64,7 +64,7 @@ struct _GAsyncResultIface
   GObject * (* get_source_object) (GAsyncResult *res);
 
   gboolean  (* is_tagged)         (GAsyncResult *res,
-				   gpointer      tag);
+				   gpointer      source_tag);
 };
 
 GLIB_AVAILABLE_IN_ALL
diff --git a/gio/gmenumodel.h b/gio/gmenumodel.h
index 947f257ca..01ab33703 100644
--- a/gio/gmenumodel.h
+++ b/gio/gmenumodel.h
@@ -211,7 +211,7 @@ struct _GMenuAttributeIterClass
   GObjectClass parent_class;
 
   gboolean      (*get_next) (GMenuAttributeIter  *iter,
-                             const gchar        **out_type,
+                             const gchar        **out_name,
                              GVariant           **value);
 };
 
@@ -253,7 +253,7 @@ struct _GMenuLinkIterClass
   GObjectClass parent_class;
 
   gboolean      (*get_next) (GMenuLinkIter  *iter,
-                             const gchar   **out_name,
+                             const gchar   **out_link,
                              GMenuModel    **value);
 };