diff --git a/tests/test_download.py b/tests/test_download.py
index f613fe039..bfe7009aa 100644
--- a/tests/test_download.py
+++ b/tests/test_download.py
@@ -180,7 +180,7 @@ def test_mismatching_md5sums(self):
     def test_singularity_pull_image(self):
         tmp_dir = tempfile.mkdtemp()
         download_obj = DownloadWorkflow(pipeline="dummy", outdir=tmp_dir)
-        download_obj.singularity_pull_image("a-container", tmp_dir)
+        download_obj.singularity_pull_image("a-container", tmp_dir, None)
 
         # Clean up
         shutil.rmtree(tmp_dir)