diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 9629024..97259e1 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1908,23 +1908,13 @@ function system_update_8019() {
 }
 
 /**
- * Enable the Actions module without re-installing its database schema.
+ * Enable the Actions module.
  */
 function system_update_8020() {
-  // Reset the module data so that the actions module appears in the list.
-  drupal_static_reset('system_rebuild_module_data');
-  system_rebuild_module_data();
-
-  // Actions is now in the system table, so we can now enable the module without
-  // re-installing the schema.
-  db_update('system')
-    ->fields(array(
-      'status' => 1,
-      'schema_version' => 0,
-    ))
-    ->condition('type', 'module')
-    ->condition('name', 'actions')
-    ->execute();
+  // Add the module to the {system} table.
+  update_module_add_to_system(array('actions'));
+  // Enable the module without re-installing the schema.
+  update_module_enable(array('actions'));
 }
 
 /**