diff --git a/phpgwapi/doc/ldap/rfc2307bis.schema b/phpgwapi/doc/ldap/rfc2307bis.schema
index 3b7d17a217..5d9acbb3b3 100644
--- a/phpgwapi/doc/ldap/rfc2307bis.schema
+++ b/phpgwapi/doc/ldap/rfc2307bis.schema
@@ -79,7 +79,7 @@ attributetype ( 1.3.6.1.1.1.1.11 NAME 'shadowFlag'
 
 attributetype ( 1.3.6.1.1.1.1.12 NAME 'memberUid'
   EQUALITY caseExactIA5Match
-  SUBSTRINGS caseExactIA5SubstringsMatch
+  SUBSTR caseExactIA5SubstringsMatch
   SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )
 
 attributetype ( 1.3.6.1.1.1.1.13 NAME 'memberNisNetgroup'