diff --git a/phpgwapi/doc/ldap/phpgwaccount.schema b/phpgwapi/doc/ldap/phpgwaccount.schema
index 760a3218a8..fdcb31e855 100644
--- a/phpgwapi/doc/ldap/phpgwaccount.schema
+++ b/phpgwapi/doc/ldap/phpgwaccount.schema
@@ -38,6 +38,14 @@ attributetype ( 2.3.6.1.1.1.1.5
 	SYNTAX 1.3.6.1.4.1.1466.115.121.1.26
 	SINGLE-VALUE )
 
+# expires
+attributetype ( 2.3.6.1.1.1.1.6
+	NAME 'phpgwExpires'
+	DESC 'timestamp for account expiration'
+	EQUALITY integerMatch
+	SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
+	SINGLE-VALUE )
+
 # Objectclass definition for phpgwAccount
 objectclass ( 2.3.6.1.1.1.2.0 NAME 'phpgwAccount' SUP top AUXILIARY
 	DESC 'Abstraction of an account with phpgw attributes'