diff --git a/atlas/models.py b/atlas/models.py
index 1537a454..846d1bcc 100644
--- a/atlas/models.py
+++ b/atlas/models.py
@@ -578,7 +578,7 @@ class Series(models.Model):
         anonymizer = dicognito.anonymizer.Anonymizer()
 
         for series_image in self.images.all():
-            file_path = pathlib.Path(settings.MEDIA_ROOT).joinpath(pathlib.Path(series_image.image.name))
+            file_path = pathlib.Path(settings.MEDIA_ROOT) / series_image.image.name
 
             with pydicom.dcmread(file_path) as dataset:
                 anonymizer.anonymize(dataset)