diff --git a/src/utils/PhutilSortVector.php b/src/utils/PhutilSortVector.php
--- a/src/utils/PhutilSortVector.php
+++ b/src/utils/PhutilSortVector.php
@@ -44,4 +44,11 @@
     return implode("\0", $this->parts);
   }
 
+  /**
+   * This allows you to sort a list of sort vectors using @{function:msortv}.
+   */
+  public function getSelf() {
+    return $this;
+  }
+
 }