diff --git a/lib/GchangeUser.class.php b/lib/GchangeUser.class.php
index 2dec913..268ccf1 100644
--- a/lib/GchangeUser.class.php
+++ b/lib/GchangeUser.class.php
@@ -44,6 +44,13 @@ class GchangeUser {
 		}
 	}
 
+	static public function constructVoidUser ($pubkey) {
+
+		$this->userGchangeId = $pubkey;
+
+		$this->userName = substr($this->userGchangeId, 0, 8);
+	}
+
 	public function getUserGchangeId () {
 
 		return $this->userGchangeId;