diff --git a/pyproject.toml b/pyproject.toml
index 1637a09..c936fa7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,9 +38,10 @@ local = ["watchdog"]
 publishing = ["posttroll"]
 ssh = ["paramiko"]
 dataspace = ["oauthlib", "requests_oauthlib", "s3fs"]
-datastore = ["oauthlib", "requests_oauthlib"]
-dhus = ["defusedxml"]
+datastore = ["oauthlib", "requests_oauthlib", "aiohttp"]
+dhus = ["defusedxml", "requests", "aiohttp"]
 selector = ["redis"]
+tests = ["redis-server", "freezegun", "responses", "pytroll-watchers[minio,local,publishing,ssh,dataspace,datastore,dhus,selector]"]
 
 [build-system]
 requires = ["hatchling", "hatch-vcs"]
diff --git a/src/pytroll_watchers/dataspace_watcher.py b/src/pytroll_watchers/dataspace_watcher.py
index 7f1d272..03518de 100644
--- a/src/pytroll_watchers/dataspace_watcher.py
+++ b/src/pytroll_watchers/dataspace_watcher.py
@@ -122,7 +122,7 @@ def generate_download_links(filter_string, dataspace_auth, storage_options):
     resp = oauth.get(filter_string)
     metadatas = resp.get("value", [])
     for metadata in metadatas:
-        s3path = UPath("s3://" + metadata["S3Path"], **storage_options)
+        s3path = UPath("s3:/" + metadata["S3Path"], **storage_options)
         mda = dict()
         attributes = _construct_attributes_dict(metadata)
         mda["platform_name"] = attributes["platformShortName"].capitalize() + attributes["platformSerialIdentifier"]
diff --git a/tests/test_copernicus_dataspace_watcher.py b/tests/test_copernicus_dataspace_watcher.py
index acee1a7..91a60ed 100644
--- a/tests/test_copernicus_dataspace_watcher.py
+++ b/tests/test_copernicus_dataspace_watcher.py
@@ -118,10 +118,10 @@ def test_publish_paths(caplog):
     assert "uri" not in message_settings["data"]
     assert len(messages) == 3
     message = Message(rawstr=messages[0])
-    assert message.data["uri"] == "s3:///eodata/Sentinel-3/OLCI/OL_1_EFR___/2024/04/15/S3B_OL_1_EFR____20240415T074029_20240415T074329_20240415T094236_0179_092_035_1620_PS2_O_NR_003.SEN3"
+    assert message.data["uri"] == "s3://eodata/Sentinel-3/OLCI/OL_1_EFR___/2024/04/15/S3B_OL_1_EFR____20240415T074029_20240415T074329_20240415T094236_0179_092_035_1620_PS2_O_NR_003.SEN3"
     assert message.data["uid"] == "S3B_OL_1_EFR____20240415T074029_20240415T074329_20240415T094236_0179_092_035_1620_PS2_O_NR_003.SEN3"  # noqa
     assert message.data["sensor"] == "olci"
     assert message.data["filesystem"] == {"cls": "s3fs.core:S3FileSystem", "protocol": "s3", "args": [],
                                   "profile": "someprofile"}
-    assert message.data["path"] == "/eodata/Sentinel-3/OLCI/OL_1_EFR___/2024/04/15/S3B_OL_1_EFR____20240415T074029_20240415T074329_20240415T094236_0179_092_035_1620_PS2_O_NR_003.SEN3"  # noqa
+    assert message.data["path"] == "eodata/Sentinel-3/OLCI/OL_1_EFR___/2024/04/15/S3B_OL_1_EFR____20240415T074029_20240415T074329_20240415T094236_0179_092_035_1620_PS2_O_NR_003.SEN3"  # noqa
     assert f"Starting watch on dataspace for '{filter_string}'" in caplog.text