diff --git a/swh/lister/npm/lister.py b/swh/lister/npm/lister.py
index 5931c8d..dae76bf 100644
--- a/swh/lister/npm/lister.py
+++ b/swh/lister/npm/lister.py
@@ -60,7 +60,8 @@ class NpmListerBase(IndexingHttpLister):
         package_name = kwargs.get('name')
         package_metadata_url = kwargs.get('html_url')
         return create_task_dict(task_type, task_policy,
-                                package_name, origin_url,
+                                package_name=package_name,
+                                package_url=origin_url,
                                 package_metadata_url=package_metadata_url)
 
     def request_headers(self):
diff --git a/swh/lister/npm/tests/test_lister.py b/swh/lister/npm/tests/test_lister.py
index 33e0ea7..9888795 100644
--- a/swh/lister/npm/tests/test_lister.py
+++ b/swh/lister/npm/tests/test_lister.py
@@ -62,16 +62,16 @@ def check_tasks(tasks: List[Any]):
         assert row['type'] == 'load-npm'
         # arguments check
         args = row['arguments']['args']
-        assert len(args) == 2
-
-        package = args[0]
-        url = args[1]
-        assert url == 'https://www.npmjs.com/package/%s' % package
+        assert len(args) == 0
 
         # kwargs
         kwargs = row['arguments']['kwargs']
+        assert len(kwargs) == 3
+        package_name = kwargs['package_name']
+        package_url = kwargs['package_url']
+        assert package_url == 'https://www.npmjs.com/package/%s' % package_name
         meta_url = kwargs['package_metadata_url']
-        assert meta_url == 'https://replicate.npmjs.com/%s' % package
+        assert meta_url == 'https://replicate.npmjs.com/%s' % package_name
 
         assert row['policy'] == 'recurring'
         assert row['priority'] is None