diff --git a/examples/5_write_parallel.py b/examples/5_write_parallel.py
index 2ee046547c..5a5df097b2 100644
--- a/examples/5_write_parallel.py
+++ b/examples/5_write_parallel.py
@@ -39,7 +39,7 @@
     series = io.Series(
         "../samples/5_parallel_write_py.bp"
             if USE_JOINED_DIMENSION
-            else "../samples/5_parallel_write_py.bp",
+            else "../samples/5_parallel_write_py.h5",
         io.Access.create,
         comm
     )