diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index a0849b1..6d3c888 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1085,3 +1085,32 @@ function system_schema() {
 
   return $schema;
 }
+
+/**
+ * Change two fields on the default menu link storage.
+ */
+function system_update_8001() {
+  if (db_table_exists('menu_tree')) {
+    $spec = array(
+      'description' => 'The title for the link. May be a serialized TranslationWrapper',
+      'type' => 'blob',
+      'size' => 'big',
+      'not null' => FALSE,
+      'serialize' => TRUE,
+    );
+    db_change_field('menu_tree', 'title', 'title', $spec);
+    $spec = array(
+      'description' => 'The description of this link - used for admin pages and title attribute.',
+      'type' => 'blob',
+      'size' => 'big',
+      'not null' => FALSE,
+      'serialize' => TRUE,
+    );
+    db_change_field('menu_tree', 'description', 'description', $spec);
+    db_update('menu_tree')
+      ->fields(array('title' => NULL, 'description' => NULL))
+      ->execute();
+    db_drop_field('menu_tree', 'title_arguments');
+    db_drop_field('menu_tree', 'title_context');
+  }
+}
\ No newline at end of file