diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt
index 148c7c754e..59aea2958d 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt
@@ -1168,7 +1168,7 @@
             <a href="https://www.librarything.com/forlibraries/noscript.php?id=[% LibraryThingForLibrariesID %]&amp;accessibility=1">here</a>.</noscript>
         [% END %]
 
-        [% IF ( NovelistSelectProfile && normalized_isbn || normalized_upc) ) %]
+        [% IF ( NovelistSelectProfile && ( normalized_isbn || normalized_upc ) ) %]
             <script src="https://imageserver.ebscohost.com/novelistselect/ns2init.js"></script>
         [% END %]