diff --git a/src/pretix/base/forms/__init__.py b/src/pretix/base/forms/__init__.py
index 046bb2dc25..aeb6238976 100644
--- a/src/pretix/base/forms/__init__.py
+++ b/src/pretix/base/forms/__init__.py
@@ -67,11 +67,7 @@ class SettingsForm(forms.Form):
                     )
                 else:
                     fname = '%s/%s.%s' % (self.obj.slug, name, value.name.split('.')[-1])
-                if not os.path.exists(os.path.dirname(fname)):
-                    os.makedirs(os.path.dirname(fname))
-                with default_storage.open(fname, 'wb+') as destination:
-                    for chunk in value.chunks():
-                        destination.write(chunk)
+                default_storage.save(fname, value)
                 value._name = fname
             elif isinstance(value, File):
                 # file is unchanged