diff --git a/README.rst b/README.rst
index 49fecbfee6a69b3c53a1ff9f3e7acfd6177bff5f..4780279942df0a4f7fc3b578b2fe12e73492f708 100644
--- a/README.rst
+++ b/README.rst
@@ -25,7 +25,7 @@ The file paths can be access in Python scripts using the ``data_path()`` functio
 
     from km3net_testdata import data_path()
 
-    filename = data_path("km3net_offline.root")
+    filename = data_path("offline/km3net_offline.root")
 
 Notice the underscore in the Python package name (PyPI forces ``-`` but Python
 package names are not allowed to use ``-``).