diff --git a/apps/ingest/forms.py b/apps/ingest/forms.py
index ef43df6f..a4f57fcb 100644
--- a/apps/ingest/forms.py
+++ b/apps/ingest/forms.py
@@ -7,5 +7,5 @@ class Meta:
         model = Bulk
         fields = ['image_server', 'volume_files', 'collections']
         widgets = {
-            'volume_files': ClearableFileInput(attrs={'allow_multiple_selected': True}),
+            'volume_files': ClearableFileInput(attrs={'allow_multiple_selected': True, 'multiple': True}),
         }