diff --git a/src/tiledb/cloud/soma/ingest.py b/src/tiledb/cloud/soma/ingest.py
index e7122f8af..3e8ee4f81 100644
--- a/src/tiledb/cloud/soma/ingest.py
+++ b/src/tiledb/cloud/soma/ingest.py
@@ -147,9 +147,9 @@ def ingest_h5ad(
     output_uri: str,
     input_uri: str,
     measurement_name: str,
-    extra_tiledb_config: Optional[Dict[str, object]],
-    platform_config: Optional[Dict[str, object]],
-    ingest_mode: str,
+    extra_tiledb_config: Optional[Dict[str, object]] = None,
+    platform_config: Optional[Dict[str, object]] = None,
+    ingest_mode: str = "write",
     logging_level: int = logging.INFO,
     dry_run: bool = False,
 ) -> None: