diff --git a/cello/download_resources.py b/cello/download_resources.py
index 1bf6649..3fe2f80 100644
--- a/cello/download_resources.py
+++ b/cello/download_resources.py
@@ -23,7 +23,7 @@ def download(dest):
         'curl https://deweylab.biostat.wisc.edu/cell_type_classification/resources_v2.0.0.tar.gz > {}'.format(
             join(dest, 'resources_v2.0.0.tar.gz')
         ),
-        'tar -C {} -zxf resources_v2.0.0.tar.gz'.format(dest),
+        'tar -C {} -zxf {}'.format(dest, join(dest, 'resources_v2.0.0.tar.gz')),
         'rm {}'.format(join(dest, 'resources_v2.0.0.tar.gz'))
     ]
     for cmd in cmds: