diff --git a/tests/test_otel.py b/tests/test_otel.py
index 941eb81..11caa85 100644
--- a/tests/test_otel.py
+++ b/tests/test_otel.py
@@ -285,6 +285,6 @@ def test_custom_resource_attributes(client, trace_service):
 
     batch = trace_service.get_batch()
 
-    assert get_attr(batch[0].resource, "service.name") == "test_service"
-    assert get_attr(batch[0].resource, "my.name") == "my name"
-    assert get_attr(batch[0].resource, "my.service") == "my service"
+    assert get_attr(batch.resource, "service.name") == "test_service"
+    assert get_attr(batch.resource, "my.name") == "my name"
+    assert get_attr(batch.resource, "my.service") == "my service"