diff --git a/screening/source/core-plugins/screening/1/dss/drop-boxes/hcs-dropbox/hcs-dropbox.py b/screening/source/core-plugins/screening/1/dss/drop-boxes/hcs-dropbox/hcs-dropbox.py
index 3d6b051d1aeee001ed8b9aede867fe7ecf130e1f..64878d29a06cb597aa053ef8d7d479a516ca2ed2 100644
--- a/screening/source/core-plugins/screening/1/dss/drop-boxes/hcs-dropbox/hcs-dropbox.py
+++ b/screening/source/core-plugins/screening/1/dss/drop-boxes/hcs-dropbox/hcs-dropbox.py
@@ -75,6 +75,7 @@ class MyImageDataSetConfig(SimpleImageDataConfig):
 if incoming.isDirectory():
     imageDataset = MyImageDataSetConfig()
     imageDataset.setRawImageDatasetType()
+    imageDataset.setGenerateThumbnails(True)
     imageDataset.setPlate(SPACE_CODE, PLATE_CODE)
     registrationDetails = factory.createImageRegistrationDetails(imageDataset, incoming)  
     transaction = service.transaction(incoming, factory)