diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/shelves.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/shelves.tt
index e6113dece7..80ddb2fbca 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/shelves.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/shelves.tt
@@ -197,15 +197,15 @@ $(document).ready(function(){
      */
     function MergeItems() {
         var checkboxes = $("input:checkbox:checked");
-        if (checkboxes.length < 2) {
-            alert(_("At least two records must be selected for merging."));
-        } else {
+        if (checkboxes.length > 0) {
             var params = [];
             $(checkboxes).each(function() {
                 params.push('biblionumber=' + $(this).val());
             });
             var url = '/cgi-bin/koha/cataloguing/merge.pl?' + params.join('&');
             location.href = url;
+        } else {
+            alert(_("You must select at least one record"));
         }
         return false;
     }