diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/merge.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/merge.tt
index 9ec45c1d4e..f82be7f7dc 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/merge.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/merge.tt
@@ -253,7 +253,7 @@ $(document).ready(function(){
 
 <input type="hidden" name="ref_biblionumber" value="[% ref_biblionumber %]" />
 [% FOREACH record IN records %]
-    <input type="hidden" name="biblionumber" value="[% record.biblionumber %]" />
+    <input type="hidden" name="biblionumber" value="[% record.recordid %]" />
 [% END %]
 <input type="hidden" name="frameworkcode" value="[% framework %]" />