diff --git a/opac/opac-addbybiblionumber.pl b/opac/opac-addbybiblionumber.pl
index fd3124b46b..610b22efae 100755
--- a/opac/opac-addbybiblionumber.pl
+++ b/opac/opac-addbybiblionumber.pl
@@ -59,7 +59,7 @@ my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
         template_name   => "opac-addbybiblionumber.tmpl",
         query           => $query,
         type            => "opac",
-        authnotrequired =>( C4::Context->preference("OpacPublic") ? 1 : 0 ),
+        authnotrequired => 0,
     }
 );