diff --git a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm
index b07ab0dd0..c5cb0b34b 100644
--- a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm
+++ b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm
@@ -28,7 +28,7 @@ our $OVERRIDE = {
             return PE_OK;
         }
         elsif ( $self->{SSLRequire} ) {
-            return PE_BADCREDENTIALS;
+            return PE_CERTIFICATEREQUIRED;
         }
         return $self->extractFormInfo(@_);
     },
diff --git a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Simple.pm b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Simple.pm
index 452452711..21609ef33 100644
--- a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Simple.pm
+++ b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Simple.pm
@@ -33,13 +33,14 @@ sub PE_FIRSTACCESS         { 9 }
 sub PE_BADCERTIFICATE      { 10 }
 sub PE_PP_ACCOUNT_LOCKED   { 21 }
 sub PE_PP_PASSWORD_EXPIRED { 22 }
+sub PE_CERTIFICATEREQUIRED { 23 }
 
 # EXPORTER PARAMETERS
 our @EXPORT =
   qw( PE_DONE PE_OK PE_SESSIONEXPIRED PE_FORMEMPTY PE_WRONGMANAGERACCOUNT
   PE_USERNOTFOUND PE_BADCREDENTIALS PE_LDAPCONNECTFAILED PE_LDAPERROR
   PE_APACHESESSIONERROR PE_FIRSTACCESS PE_BADCERTIFICATE PE_REDIRECT
-  PE_PP_ACCOUNT_LOCKED PE_PP_PASSWORD_EXPIRED );
+  PE_PP_ACCOUNT_LOCKED PE_PP_PASSWORD_EXPIRED PE_CERTIFICATEREQUIRED);
 our %EXPORT_TAGS = ( 'all' => [ @EXPORT, 'import' ], );
 
 our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
diff --git a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_i18n.pm b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_i18n.pm
index c84a11004..7518f1afa 100644
--- a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_i18n.pm
+++ b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_i18n.pm
@@ -45,6 +45,7 @@ __END__
 # * PE_LA_SEPFAILED        20
 # * PE_PP_ACCOUNT_LOCKED   21
 # * PE_PP_PASSWORD_EXPIRED 22
+# * PE_CERTIFICATEREQUIRED 23
 
 # Not used in errors:
 # * PE_DONE                -1
@@ -75,6 +76,7 @@ sub error_fr {
         "Un processus terminal Liberty Alliance a échoué",
         "Votre compte est bloqué",
         "Votre mot de passe a expiré",
+        "Certificat exigé",
     ];
 }
 
@@ -103,6 +105,7 @@ sub error_en {
         "A Liberty-Alliance Soap End Point process failed",
         "Your account is locked",
         "Your password has expired",
+        "Certificate required",
     ];
 }