diff --git a/src/pydantic_to_pyarrow/schema.py b/src/pydantic_to_pyarrow/schema.py
index 12cfa8f..ba80ec3 100644
--- a/src/pydantic_to_pyarrow/schema.py
+++ b/src/pydantic_to_pyarrow/schema.py
@@ -116,8 +116,8 @@ def _get_dict_type(
 ) -> pa.DataType:
     key_type, value_type = get_args(field_type)
     return pa.map_(
-        _get_pyarrow_type(key_type, [], allow_losing_tz=False),
-        _get_pyarrow_type(value_type, [], allow_losing_tz=False),
+        _get_pyarrow_type(key_type, metadata, allow_losing_tz=allow_losing_tz),
+        _get_pyarrow_type(value_type, metadata, allow_losing_tz=allow_losing_tz),
     )