diff --git i/src/ap-menu-item.c w/src/ap-menu-item.c
index 92953c04..7d614f45 100644
--- i/src/ap-menu-item.c
+++ w/src/ap-menu-item.c
@@ -327,7 +327,6 @@ finalize (GObject *object)
 	g_free (priv->ssid_string);
 
 	g_slist_free_full (priv->dupes, g_free);
-	g_slist_free (priv->dupes);
 
 	G_OBJECT_CLASS (nm_network_menu_item_parent_class)->finalize (object);
 }