diff --git a/tests_consume/test_via_rlp.py b/tests_consume/test_via_rlp.py
index 1578c23590..d74089983d 100644
--- a/tests_consume/test_via_rlp.py
+++ b/tests_consume/test_via_rlp.py
@@ -136,7 +136,7 @@ def client_files(
     - Keys are the target file paths in the client's docker container, and,
     - Values are in-memory buffered file objects.
     """
-    files = {f"/blocks/{i:04d}.rlp": block_rlp for i, block_rlp in enumerate(buffered_blocks_rlp)}
+    files = {f"/blocks/{i + 1:04d}.rlp": rlp for i, rlp in enumerate(buffered_blocks_rlp)}
     files["/genesis.json"] = buffered_genesis
     return files