diff --git a/lib/pbench/server/api/resources/datasets_inventory.py b/lib/pbench/server/api/resources/datasets_inventory.py
index ae7e9d7aee..8062b1e9dd 100644
--- a/lib/pbench/server/api/resources/datasets_inventory.py
+++ b/lib/pbench/server/api/resources/datasets_inventory.py
@@ -1,4 +1,5 @@
 from http import HTTPStatus
+from pathlib import Path
 from urllib.request import Request
 
 from flask import current_app, send_file
@@ -84,10 +85,9 @@ def _get(
         # We link a callback to close the file stream and TarFile object on
         # completion.
         stream = file_info["stream"]
+        name = Path(file_info["name"]).name
         try:
-            resp = send_file(
-                stream, as_attachment=target is None, download_name=file_info["name"]
-            )
+            resp = send_file(stream, as_attachment=target is None, download_name=name)
         except Exception as e:
             if stream:
                 stream.close()
diff --git a/lib/pbench/test/functional/server/test_datasets.py b/lib/pbench/test/functional/server/test_datasets.py
index 3f35fe0297..fe37d90d65 100644
--- a/lib/pbench/test/functional/server/test_datasets.py
+++ b/lib/pbench/test/functional/server/test_datasets.py
@@ -751,6 +751,15 @@ def read_metadata(response: Response) -> JSONOBJECT:
                 API.DATASETS_INVENTORY,
                 {"dataset": dataset.resource_id, "target": "metadata.log"},
             )
+
+            # Note that Werkzeug doesn't understand anything special about the
+            # ".log" filetype, but will apply a better content-type header for
+            # file types it understands like ".json".
+            assert response.headers["content-type"] == "application/octet-stream"
+            assert (
+                response.headers["content-disposition"]
+                == "inline; filename=metadata.log"
+            )
             assert (
                 response.ok
             ), f"INVENTORY {dataset.name} failed {response.status_code}:{response.json()['message']}"
diff --git a/lib/pbench/test/unit/server/test_datasets_inventory.py b/lib/pbench/test/unit/server/test_datasets_inventory.py
index cab31fbb46..100d9e0e1c 100644
--- a/lib/pbench/test/unit/server/test_datasets_inventory.py
+++ b/lib/pbench/test/unit/server/test_datasets_inventory.py
@@ -156,3 +156,20 @@ def mock_send_file(path_or_file, *args, **kwargs):
 
         query_get_as("fio_2", "f1.json", HTTPStatus.INTERNAL_SERVER_ERROR)
         assert mock_close
+
+    def test_get_inventory(self, query_get_as, monkeypatch):
+        exp_stream = io.BytesIO(b"file_as_a_byte_stream")
+
+        def mock_get_inventory(_s, _d: str, _t: str):
+            return {
+                "name": "f1.json",
+                "type": CacheType.FILE,
+                "stream": Inventory(exp_stream, None),
+            }
+
+        monkeypatch.setattr(CacheManager, "get_inventory", mock_get_inventory)
+        response = query_get_as("fio_2", "f1.json", HTTPStatus.OK)
+        assert response.status_code == HTTPStatus.OK
+        assert response.text == "file_as_a_byte_stream"
+        assert response.headers["content-type"] == "application/json"
+        assert response.headers["content-disposition"] == "inline; filename=f1.json"