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 64878d29a06cb597aa053ef8d7d479a516ca2ed2..35eba8c9a8d4a77faaf3607d9f3c64407cef8303 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
@@ -76,6 +76,7 @@ if incoming.isDirectory():
     imageDataset = MyImageDataSetConfig()
     imageDataset.setRawImageDatasetType()
     imageDataset.setGenerateThumbnails(True)
+    imageDataset.setUseImageMagicToGenerateThumbnails(False)
     imageDataset.setPlate(SPACE_CODE, PLATE_CODE)
     registrationDetails = factory.createImageRegistrationDetails(imageDataset, incoming)  
     transaction = service.transaction(incoming, factory)