diff --git a/pyvo/dal/tests/test_tap.py b/pyvo/dal/tests/test_tap.py
index 0c22dc84..3e075974 100644
--- a/pyvo/dal/tests/test_tap.py
+++ b/pyvo/dal/tests/test_tap.py
@@ -6,7 +6,7 @@
 from contextlib import ExitStack
 import datetime
 import re
-from io import BytesIO
+from io import BytesIO, StringIO
 from urllib.parse import parse_qsl
 import tempfile
 
@@ -802,3 +802,37 @@ def test_get_endpoint_candidates():
         "http://astroweb.projects.phys.ucl.ac.uk:8000/capabilities"
     ]
     assert svc._get_endpoint_candidates("capabilities") == expected_urls
+
+
+@pytest.mark.remote_data
+@pytest.mark.parametrize('stream_type', [BytesIO, StringIO])
+def test_tap_upload_remote(stream_type):
+    tmp_table = ('''<?xml version="1.0" encoding="UTF-8"?>
+    <VOTABLE xmlns="http://www.ivoa.net/xml/VOTable/v1.3"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.3">
+      <RESOURCE>
+        <TABLE>
+          <FIELD name="prop_id" datatype="char" arraysize="*">
+            <DESCRIPTION>external URI for the physical artifact</DESCRIPTION>
+          </FIELD>
+          <DATA>
+            <TABLEDATA>
+              <TR>
+                <TD>2013.1.01365.S</TD>
+              </TR>
+            </TABLEDATA>
+          </DATA>
+        </TABLE>
+      </RESOURCE>
+    </VOTABLE>''')
+
+    if stream_type == BytesIO:
+        tmp_table = tmp_table.encode()
+    query = ('select top 3 proposal_id from ivoa.ObsCore oc join '
+             'TAP_UPLOAD.proj_codes pc on oc.proposal_id=pc.prop_id')
+    service = TAPService('https://almascience.nrao.edu/tap')
+
+    res = service.search(query, uploads={'proj_codes': stream_type(tmp_table)})
+    assert len(res) == 3
+    for row in res:
+        assert row['proposal_id'] == '2013.1.01365.S'