diff --git a/phpgwapi/doc/ldap/phpgwcontact.schema b/phpgwapi/doc/ldap/phpgwcontact.schema
index e67f5e5e9e..f517308596 100644
--- a/phpgwapi/doc/ldap/phpgwcontact.schema
+++ b/phpgwapi/doc/ldap/phpgwcontact.schema
@@ -11,9 +11,9 @@ attributetype ( 1.3.6.1.4.1.9554.100
 # REQUIRED
 attributetype ( 1.3.6.1.4.1.9554.101
 	NAME 'phpgwContactCatId'
-	EQUALITY numericStringMatch
-	SUBSTR numericStringSubstringsMatch
-	SYNTAX 1.3.6.1.4.1.1466.115.121.1.36{16} )
+	EQUALITY caseIgnoreMatch
+	SUBSTR caseIgnoreSubstringsMatch
+	SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{16}
 
 # REQUIRED
 attributetype ( 1.3.6.1.4.1.9554.102