diff --git a/README.md b/README.md
index afb5015..97cf5f1 100644
--- a/README.md
+++ b/README.md
@@ -134,7 +134,11 @@ These settings should only be changed if you're trying to make the user manager
 * `LDAP_GROUP_ATTRIBUTE` (default: *cn*):  The attribute used as the group identifier.
    
 * `LDAP_GROUP_MEMBERSHIP_ATTRIBUTE` (default: *memberUID* or *uniqueMember*):  The attribute used when adding a user's account to a group.  When the `groupOfMembers` objectClass is detected `FORCE_RFC2307BIS` is `TRUE` it defaults to `uniqueMember`, otherwise it'll default to `memberUID`. Explicitly setting this variable will override any default.
-   
+
+* `LDAP_GROUP_ADDITIONAL_OBJECTCLASSES` (no default): A comma-separated list of additional objectClasses to use when creating an group.  See [Extra objectClasses and attributes](#extra-objectclasses-and-attributes) for more information.
+
+* `LDAP_GROUP_ADDITIONAL_ATTRIBUTE` (no default): A comma-separated list of extra attributes to display when creating an group.  See [Extra objectClasses and attributes](#extra-objectclasses-and-attributes) for more information.
+
 * `LDAP_ACCOUNT_ADDITIONAL_OBJECTCLASSES` (no default): A comma-separated list of additional objectClasses to use when creating an account.  See [Extra objectClasses and attributes](#extra-objectclasses-and-attributes) for more information.
 
 * `LDAP_ACCOUNT_ADDITIONAL_ATTRIBUTES` (no default): A comma-separated list of extra attributes to display when creating an account.  See [Extra objectClasses and attributes](#extra-objectclasses-and-attributes) for more information.
diff --git a/www/includes/config.inc.php b/www/includes/config.inc.php
index 66cb44a..4b5abe9 100644
--- a/www/includes/config.inc.php
+++ b/www/includes/config.inc.php
@@ -33,6 +33,8 @@
  if (getenv('LDAP_ACCOUNT_ADDITIONAL_OBJECTCLASSES')) { $LDAP['account_additional_objectclasses'] = strtolower(getenv('LDAP_ACCOUNT_ADDITIONAL_OBJECTCLASSES')); }
  if (getenv('LDAP_ACCOUNT_ADDITIONAL_ATTRIBUTES')) { $LDAP['account_additional_attributes'] = getenv('LDAP_ACCOUNT_ADDITIONAL_ATTRIBUTES'); }
 
+ if (getenv('LDAP_GROUP_ADDITIONAL_OBJECTCLASSES')) { $LDAP['group_additional_objectclasses'] = getenv('LDAP_GROUP_ADDITIONAL_OBJECTCLASSES'); }
+ if (getenv('LDAP_GROUP_ADDITIONAL_ATTRIBUTE')) { $LDAP['group_additional_attribute'] = getenv('LDAP_GROUP_ADDITIONAL_ATTRIBUTE'); }
  if (getenv('LDAP_GROUP_MEMBERSHIP_ATTRIBUTE')) { $LDAP['group_membership_attribute'] = getenv('LDAP_GROUP_MEMBERSHIP_ATTRIBUTE'); }
  if (getenv('LDAP_GROUP_MEMBERSHIP_USES_UID')) {
    if (strtoupper(getenv('LDAP_GROUP_MEMBERSHIP_USES_UID')) == 'TRUE' )   { $LDAP['group_membership_uses_uid']  = TRUE;  }
diff --git a/www/includes/ldap_functions.inc.php b/www/includes/ldap_functions.inc.php
index 8f0a452..b0ca524 100644
--- a/www/includes/ldap_functions.inc.php
+++ b/www/includes/ldap_functions.inc.php
@@ -588,6 +588,8 @@ function ldap_new_group($ldap_connection,$group_name,$initial_member="") {
    $new_gid = $highest_gid + 1;
 
    if ($rfc2307bis_available == FALSE) { $objectclasses = array('top','posixGroup'); } else { $objectclasses = array('top','groupOfUniqueNames','posixGroup'); }
+   if (isset($LDAP['group_additional_objectclasses']) and $LDAP['group_additional_objectclasses'] != "")
+     $objectclasses = array_merge($objectclasses, explode(",", $LDAP['group_additional_objectclasses']));
    if ($LDAP['group_membership_uses_uid'] == FALSE and $initial_member != "") { $initial_member = "${LDAP['account_attribute']}=$initial_member,${LDAP['user_dn']}"; }
 
    $new_group_array=array( 'objectClass' => $objectclasses,