diff --git a/swh/web/browse/views/content.py b/swh/web/browse/views/content.py
--- a/swh/web/browse/views/content.py
+++ b/swh/web/browse/views/content.py
@@ -326,11 +326,14 @@
         origin_url=origin_url,
     )
 
-    swh_objects = [
-        SWHObjectInfo(
-            object_type=ObjectType.CONTENT, object_id=content_checksums.get("sha1_git")
+    swh_objects = []
+    if content_checksums:
+        swh_objects.append(
+            SWHObjectInfo(
+                object_type=ObjectType.CONTENT,
+                object_id=content_checksums.get("sha1_git"),
+            )
         )
-    ]
 
     if directory_id:
         swh_objects.append(
@@ -372,7 +375,7 @@
         "browse/content.html",
         {
             "heading": heading,
-            "swh_object_id": swhids_info[0]["swhid"],
+            "swh_object_id": swhids_info[0]["swhid"] if swhids_info else "",
             "swh_object_name": "Content",
             "swh_object_metadata": content_metadata,
             "content": content,
diff --git a/swh/web/tests/browse/views/test_content.py b/swh/web/tests/browse/views/test_content.py
--- a/swh/web/tests/browse/views/test_content.py
+++ b/swh/web/tests/browse/views/test_content.py
@@ -5,6 +5,8 @@
 
 import random
 
+import pytest
+
 from django.utils.html import escape
 
 from swh.model.swhids import ObjectType
@@ -315,7 +317,15 @@
     assert resp.content == content_data
 
 
-def test_content_request_errors(client, invalid_sha1, unknown_content):
+@pytest.mark.django_db
+@pytest.mark.parametrize("staff_user_logged_in", [False, True])
+def test_content_request_errors(
+    client, staff_user, invalid_sha1, unknown_content, staff_user_logged_in
+):
+
+    if staff_user_logged_in:
+        client.force_login(staff_user)
+
     url = reverse("browse-content", url_args={"query_string": invalid_sha1})
     check_html_get_response(client, url, status_code=400, template_used="error.html")