diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm
index 0cbab75c3..47037c467 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Display.pm
@@ -487,7 +487,7 @@ sub mkOidcConsent {
 
     if ( $self->conf->{oidcRPMetaDataOptions} ) {
         foreach my $oidc ( keys %{ $self->conf->{oidcRPMetaDataOptions} } ) {
-            $self->conf->{oidcRPMetaDataOptions}->{$oidc}->{oidcRPMetaDataOptionsDisplayName} = $oidc;
+            $self->conf->{oidcRPMetaDataOptions}->{$oidc}->{oidcRPMetaDataOptionsDisplayName} ||= $oidc;
         }
     }