diff --git a/ChangeLog b/ChangeLog
index 4c18001..5ed5075 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23,7 +23,8 @@
   Filter#construct. Suggested by an anonymous Rubyforge user.
 * Supported several constructs from the server side of the LDAP protocol.
 * Added a "consuming" String#read_ber! method.
-* Added missing synactic support for Filter ANDs and NOTs.
+* Added missing synactic support for Filter ANDs, NOTs and a few other
+  things.
 
 
 == Net::LDAP 0.0.4: August 15, 2006
diff --git a/lib/net/ber.rb b/lib/net/ber.rb
index d44935b..8cab342 100644
--- a/lib/net/ber.rb
+++ b/lib/net/ber.rb
@@ -88,6 +88,7 @@ module Net
 		2 => :integer,
 		4 => :string,
 		10 => :integer,
+		13 => :string # (OID)
 	    },
 	    :constructed => {
 		16 => :array,
diff --git a/lib/net/ldap.rb b/lib/net/ldap.rb
index a475562..f4c4086 100644
--- a/lib/net/ldap.rb
+++ b/lib/net/ldap.rb
@@ -310,6 +310,7 @@ module Net
           1 => :array,              # SearchFilter-OR
           2 => :array,              # SearchFilter-NOT
           3 => :array,              # Seach referral
+          4 => :array,              # unknown use in Microsoft Outlook
           7 => :array,              # serverSaslCreds
         }
       }