diff --git a/Koha/REST/V1/DeletedBiblios.pm b/Koha/REST/V1/DeletedBiblios.pm
index 8ba90026c0..73af99740b 100644
--- a/Koha/REST/V1/DeletedBiblios.pm
+++ b/Koha/REST/V1/DeletedBiblios.pm
@@ -59,7 +59,7 @@ sub get {
         if ( $c->req->headers->accept =~ m/application\/json/ ) {
             return $c->render(
                 status => 200,
-                json   => $biblio->to_api
+                json   => $c->objects->to_api($biblio),
             );
         } else {
             my $metadata = $biblio->metadata;
diff --git a/api/v1/swagger/paths/deleted_biblios.yaml b/api/v1/swagger/paths/deleted_biblios.yaml
index cf290da778..22fe8f8e19 100644
--- a/api/v1/swagger/paths/deleted_biblios.yaml
+++ b/api/v1/swagger/paths/deleted_biblios.yaml
@@ -81,6 +81,16 @@
     summary: Get deleted biblio
     parameters:
       - $ref: "../swagger.yaml#/parameters/biblio_id_pp"
+      - name: x-koha-embed
+        in: header
+        required: false
+        description: Embed list sent as a request header
+        type: array
+        items:
+          type: string
+          enum:
+            - items
+        collectionFormat: csv
     produces:
       - application/json
       - application/marcxml+xml
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/tools/restore-records.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/tools/restore-records.tt
index 607d05415f..baceb567d0 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/tools/restore-records.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/tools/restore-records.tt
@@ -576,6 +576,7 @@
                     url: "/api/v1/deleted/biblios/" + biblio_id,
                     type: "GET",
                     headers: {
+                        "Accept": "application/json",
                         "x-koha-embed": "items",
                     },
                     success: function (biblio) {