diff --git a/test/test_cerulean_cloud/test_cloud_run_orchestrator.py b/test/test_cerulean_cloud/test_cloud_run_orchestrator.py
index aa5d09ac..5c04c899 100644
--- a/test/test_cerulean_cloud/test_cloud_run_orchestrator.py
+++ b/test/test_cerulean_cloud/test_cloud_run_orchestrator.py
@@ -460,14 +460,14 @@ def test_func_merge_inferences_empty():
 
     merged = merge_inferences(
         feature_collections=geojson.FeatureCollection(features=[]),
-        offset_tile_fc=offset_tile_fc,
+        feature_collections=[offset_tile_fc],
     )
     assert merged["type"] == "FeatureCollection"
     assert len(merged["features"]) == 0
 
     merged = merge_inferences(
-        feature_collections=offset_tile_fc,
-        offset_tile_fc=geojson.FeatureCollection(features=[]),
+        feature_collections=[offset_tile_fc],
+        feature_collections=geojson.FeatureCollection(features=[]),
     )
     assert merged["type"] == "FeatureCollection"
     assert len(merged["features"]) == 0