diff --git a/airbyte-integrations/bases/source-acceptance-test/source_acceptance_test/utils/compare.py b/airbyte-integrations/bases/source-acceptance-test/source_acceptance_test/utils/compare.py
index 1faf50958a560..0dec8629dcb9f 100644
--- a/airbyte-integrations/bases/source-acceptance-test/source_acceptance_test/utils/compare.py
+++ b/airbyte-integrations/bases/source-acceptance-test/source_acceptance_test/utils/compare.py
@@ -73,12 +73,12 @@ def serialize(value, exclude_fields: List = None) -> str:
     """Simplify comparison of nested dicts/lists"""
     if isinstance(value, Mapping):
         # If value is Mapping, some fields can be excluded
-        if exclude_fields:
-            for field in exclude_fields:
-                try:
-                    dpath.util.delete(value, field)
-                except dpath.exceptions.PathNotFound:
-                    pass
+        exclude_fields = exclude_fields or []
+        for field in exclude_fields:
+            try:
+                dpath.util.delete(value, field)
+            except dpath.exceptions.PathNotFound:
+                pass
         return DictWithHash(value)
     if isinstance(value, List):
         return sorted([serialize(v) for v in value])
diff --git a/airbyte-integrations/bases/source-acceptance-test/unit_tests/test_utils.py b/airbyte-integrations/bases/source-acceptance-test/unit_tests/test_utils.py
index 7086bfcd3e216..44dc51bc84641 100644
--- a/airbyte-integrations/bases/source-acceptance-test/unit_tests/test_utils.py
+++ b/airbyte-integrations/bases/source-acceptance-test/unit_tests/test_utils.py
@@ -2,6 +2,8 @@
 # Copyright (c) 2021 Airbyte, Inc., all rights reserved.
 #
 
+from functools import partial
+
 import pytest
 from source_acceptance_test.utils.compare import serialize
 
@@ -86,3 +88,14 @@ def test_compare_two_records(not_sorted_data, sorted_data):
     """Test that compare two records with equals, not sorted data."""
     output_diff = set(map(serialize, sorted_data)) - set(map(serialize, not_sorted_data))
     assert not output_diff
+
+
+def test_exclude_fields(sorted_data):
+    """"""
+    ignored_fields = [
+        "organization_id",
+    ]
+    serializer = partial(serialize, exclude_fields=ignored_fields)
+    output = map(serializer, sorted_data)
+    for item in output:
+        assert "organization_id" not in item