diff --git a/tests/integration/vector_stores/test_cosmosdb.py b/tests/integration/vector_stores/test_cosmosdb.py
index 8acce894..768858d5 100644
--- a/tests/integration/vector_stores/test_cosmosdb.py
+++ b/tests/integration/vector_stores/test_cosmosdb.py
@@ -110,7 +110,7 @@ def test_vector_store_customization():
     vector_store = CosmosDBVectorStore(
         vector_store_schema_config=VectorStoreSchemaConfig(
             index_name="text-embeddings",
-            id_field="id_custom",
+            id_field="id",
             text_field="text_custom",
             vector_field="vector_custom",
             attributes_field="attributes_custom",