diff --git a/koha-tmpl/intranet-tmpl/prog/js/fetch/circulation-api-client.js b/koha-tmpl/intranet-tmpl/prog/js/fetch/circulation-api-client.js
index 1eeb06824c..4f32d5caa5 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/fetch/circulation-api-client.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/fetch/circulation-api-client.js
@@ -33,13 +33,19 @@ export class CirculationAPIClient extends HttpClient {
             renew: checkout =>
                 this.post({
                     endpoint: "renew",
-                    body: "itemnumber=%s&borrowernumber=%s&branchcode=%s&override_limit=%s".format(
-                        checkout.item_id,
-                        checkout.patron_id,
-                        checkout.library_id,
-                        checkout.override_limit
-                    ),
-                    //+ ( checkout.seen !== undefined ? "&seen=%s".format(checkout.seen) : "" ) + (checkout.date_due !== undefined ? "&date_due=%s".format(checkout.date_due) : ""),
+                    body:
+                        "itemnumber=%s&borrowernumber=%s&branchcode=%s&override_limit=%s".format(
+                            checkout.item_id,
+                            checkout.patron_id,
+                            checkout.library_id,
+                            checkout.override_limit
+                        ) +
+                        (checkout.seen !== undefined
+                            ? "&seen=%s".format(checkout.seen)
+                            : "") +
+                        (checkout.date_due !== undefined
+                            ? "&date_due=%s".format(checkout.date_due)
+                            : ""),
                     headers: {
                         "Content-Type":
                             "application/x-www-form-urlencoded;charset=utf-8",