diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tmpl b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tmpl
index 9435d30777..6104b55e3f 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tmpl
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-add.tmpl
@@ -114,6 +114,8 @@ var patternchoice = document.getElementById("numberpattern").value;
         display_table(0);
         break;
     case "6":
+        var d = new Date(document.f.firstacquidate.value);
+        var sYear = d.getFullYear();
         moreoptions_seasons(text[15],sYear);
         var d = new Date(document.f.firstacquidate.value);
         var sYear = d.getFullYear();