diff --git a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm
index 0d4978290..030f3f4c5 100644
--- a/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm
+++ b/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthSSL.pm
@@ -61,7 +61,9 @@ sub setAuthSessionInfo {
 # @return Lemonldap::NG::Portal constant
 sub authenticate {
     my $self = shift;
-    return $ENV{ $self->{SSLVar} } ? PE_OK : PE_ERROR;
+    return ( $self->{user} and $ENV{ $self->{SSLVar} } )
+      ? PE_OK
+      : $self->extractFormInfo();
 }
 
 ## @method string getDisplayType