diff --git a/tests/unit_tests/data_loader/test_transformation_schema.py b/tests/unit_tests/data_loader/test_transformation_schema.py
index 08b635097..e18f51dc1 100644
--- a/tests/unit_tests/data_loader/test_transformation_schema.py
+++ b/tests/unit_tests/data_loader/test_transformation_schema.py
@@ -236,7 +236,7 @@ def test_column_expression_parse_error():
         Column.is_expression_valid("invalid SELECT FROM sql")
 
 
-def test_incopatible_source():
+def test_incompatible_source():
     source1 = Source(type="csv", path="path")
     source2 = Source(
         type="postgres",