diff --git a/ACU/LDAP.pm b/ACU/LDAP.pm
index d31296a..5b491e6 100644
--- a/ACU/LDAP.pm
+++ b/ACU/LDAP.pm
@@ -142,6 +142,11 @@ sub add_attribute($$$@)
     my $mod = 0;
 
     my $entry = get_dn($ldap, $dn, $what);
+    if (!$entry) {
+	log(WARN, "Trying to add attributes ($what) to an unexisting entry: $dn");
+	log(TRACE, @_);
+	return undef;
+    }
     my @data = $entry->get_value($what);
     for my $value (@_)
     {
diff --git a/process/ldap/update_group.pl b/process/ldap/update_group.pl
index 753f831..fa13cb0 100644
--- a/process/ldap/update_group.pl
+++ b/process/ldap/update_group.pl
@@ -132,7 +132,6 @@ sub user_update($$)
     LDAP::update_attribute($ldap, $dn, "strongAuthKey", $args->{param}{strongAuthKey}) if ($args->{param}{strongAuthKey});
     LDAP::update_attribute($ldap, $dn, "c", $args->{param}{c}) if ($args->{param}{c});
     LDAP::update_attribute($ldap, $dn, "title", $args->{param}{title}) if ($args->{param}{title});
-    LDAP::update_attribute($ldap, $dn, "intraRight", $args->{param}{intraRight}) if ($args->{param}{intraRight});
     LDAP::update_attribute($ldap, $dn, "intraTheme", $args->{param}{intraTheme}) if ($args->{param}{intraTheme});
     LDAP::update_attribute($ldap, $dn, "birthdate", $args->{param}{birthdate}) if ($args->{param}{birthdate});
 }
@@ -208,7 +207,7 @@ sub group_get_type($)
 	return "memberUid";
     }
     elsif ($type eq "rights") {
-	return "intraRights" ;
+	return "intraRight" ;
     }
     else {
 	die ("Unknown type to add: ".$type);
@@ -223,7 +222,7 @@ sub user_get_type($)
 
     # Extract data type
     if ($type eq "rights") {
-	return "intraRights" ;
+	return "intraRight" ;
     }
     elsif ($type eq "sshkeys") {
 	return "sshPublicKey" ;
@@ -242,7 +241,7 @@ sub process_group
     my ($given_args, $args) = @_;
 
     my $year = $args->{param}{year} // LDAP::get_year;
-    my $dn = "cn=".$args->{param}{cn}."ou=$year,ou=$ou,ou=groups,dc=acu,dc=epita,dc=fr";
+    my $dn = "cn=".$args->{param}{cn}.",ou=$year,ou=$ou,ou=groups,dc=acu,dc=epita,dc=fr";
     my $action = $args->{param}{action} // "update";
 
     # Read action