diff --git a/py-polars/tests/unit/io/test_parquet.py b/py-polars/tests/unit/io/test_parquet.py
index eb02a97cb7a..a9e57a4982d 100644
--- a/py-polars/tests/unit/io/test_parquet.py
+++ b/py-polars/tests/unit/io/test_parquet.py
@@ -2705,7 +2705,7 @@ def test_struct_list_statistics_20510() -> None:
         data,
         schema=pl.Schema(
             {
-                "name": pl.String,
+                "name": pl.String(),
                 "data": pl.Struct(
                     {
                         "title": pl.String,