diff --git a/nextgisweb/feature_attachment/api.py b/nextgisweb/feature_attachment/api.py
index ff1e489b92..88cba6ddc9 100644
--- a/nextgisweb/feature_attachment/api.py
+++ b/nextgisweb/feature_attachment/api.py
@@ -1,7 +1,7 @@
-import mimetypes
 import re
 from io import BytesIO
 from itertools import count
+from mimetypes import guess_extension
 from tempfile import NamedTemporaryFile
 from typing import List, Optional
 from urllib.parse import quote_plus
@@ -83,7 +83,7 @@ def download(
     fobj = FileObj.filter_by(id=fileobj_id).one()
     response = UnsafeFileResponse(fobj.filename(), content_type=mime_type, request=request)
     if name is None:
-        name = ""
+        name = f"unnamed{aid}{guess_extension(mime_type) or '.bin'}"
     response.content_disposition = f"filename*=utf-8''{quote_plus(name)}"
     return response
 
@@ -191,7 +191,7 @@ def export(resource, request):
 
                 name = obj.name
                 if name is None or name.strip() == "":
-                    extension = mimetypes.guess_extension(obj.mime_type)
+                    extension = guess_extension(obj.mime_type) or ".bin"
                     name = f"{att_idx:010d}{extension}"
 
                 if name in feature_anames:
diff --git a/nextgisweb/feature_attachment/locale/ru.po b/nextgisweb/feature_attachment/locale/ru.po
index 07defc0c77..82bb025ccb 100644
--- a/nextgisweb/feature_attachment/locale/ru.po
+++ b/nextgisweb/feature_attachment/locale/ru.po
@@ -52,12 +52,12 @@ msgid "File name"
 msgstr "Имя файла"
 
 #: nodepkg/attachment-editor/AttachmentEditor.tsx:172
-#: nodepkg/attachment-table/AttachmentTable.tsx:66
+#: nodepkg/attachment-table/AttachmentTable.tsx:63
 msgid "Size"
 msgstr "Размер"
 
 #: nodepkg/attachment-editor/AttachmentEditor.tsx:178
-#: nodepkg/attachment-table/AttachmentTable.tsx:81
+#: nodepkg/attachment-table/AttachmentTable.tsx:78
 msgid "Description"
 msgstr "Описание"
 
@@ -120,11 +120,11 @@ msgstr "Экспорт"
 msgid "Import"
 msgstr "Импорт"
 
-#: nodepkg/attachment-table/AttachmentTable.tsx:48
-msgid "Empty filename"
-msgstr "Пустое имя файла"
+#: nodepkg/attachment-table/AttachmentTable.tsx:55
+msgid "Unnamed"
+msgstr "Безымянный"
 
-#: nodepkg/attachment-table/AttachmentTable.tsx:75
+#: nodepkg/attachment-table/AttachmentTable.tsx:72
 msgid "MIME type"
 msgstr "Тип MIME"
 
diff --git a/nextgisweb/feature_attachment/nodepkg/attachment-table/AttachmentTable.tsx b/nextgisweb/feature_attachment/nodepkg/attachment-table/AttachmentTable.tsx
index a33c43bc62..e623ea2c73 100644
--- a/nextgisweb/feature_attachment/nodepkg/attachment-table/AttachmentTable.tsx
+++ b/nextgisweb/feature_attachment/nodepkg/attachment-table/AttachmentTable.tsx
@@ -44,9 +44,6 @@ export function AttachmentTable({
                 className: "name",
                 title: gettext("File name"),
                 render: (name: string, attachment: FeatureAttachment) => {
-                    if (!name) {
-                        name = "<" + gettext("Empty filename") + ">";
-                    }
                     const href = routeURL("feature_attachment.download", {
                         id: resourceId,
                         fid: featureId,
@@ -54,8 +51,8 @@ export function AttachmentTable({
                     });
 
                     return (
-                        <a href={href} target="_blank" rel="noreferrer">
-                            {name}
+                        <a href={href} target="_blank">
+                            {name || <i>{gettext("Unnamed")}</i>}
                         </a>
                     );
                 },
@@ -123,6 +120,7 @@ export function AttachmentTable({
                     showHeader={!isSmall}
                     size="small"
                     tableLayout="auto"
+                    bordered
                 />
             )}
         </div>