diff --git a/test/integration_test.py b/test/integration_test.py
index f6a53864eb..ff88d9109e 100644
--- a/test/integration_test.py
+++ b/test/integration_test.py
@@ -960,7 +960,7 @@ def _get_indexed_bundles(self,
                     for file in hit['files']:
                         is_supplementary = file['is_supplementary']
                         if isinstance(is_supplementary, list):
-                            is_supplementary = one(is_supplementary)
+                            is_supplementary = all(is_supplementary)
                         if is_supplementary:
                             bundle_fqid['entity_type'] = BundleEntityType.supplementary.value
                             break