diff --git a/addressbook/inc/class.addressbook_so.inc.php b/addressbook/inc/class.addressbook_so.inc.php
index 505a3094b5..4f6577228b 100755
--- a/addressbook/inc/class.addressbook_so.inc.php
+++ b/addressbook/inc/class.addressbook_so.inc.php
@@ -551,7 +551,7 @@ class addressbook_so
 	*/
 	function read($contact_id)
 	{
-		if (!is_array($contact_id) && is_numeric($contact_id) && substr($contact_id,0,8) == 'account:')
+		if (!is_array($contact_id) && substr($contact_id,0,8) == 'account:')
 		{
 			$contact_id = array('account_id' => (int) substr($contact_id,8));
 		}