diff --git a/tests/data/unprocessed_dataset_2_submissions/submission_x/submission_config.json b/tests/data/unprocessed_dataset_2_submissions/submission_x/submission_config.json
index 5671514..e7c96e2 100644
--- a/tests/data/unprocessed_dataset_2_submissions/submission_x/submission_config.json
+++ b/tests/data/unprocessed_dataset_2_submissions/submission_x/submission_config.json
@@ -9,6 +9,7 @@
     "0": {
         "name": "raw_submission_in_testdata",
         "align": 1,
+        "flavor_key": 1, 
         "box_size": 244,
         "pixel_size": 2.146,
         "path": "tests/data/unprocessed_dataset_2_submissions/submission_x",