diff --git a/examples/upgrade_server.conf.dist b/examples/upgrade_server.conf.dist
index fa2f257..d50a815 100644
--- a/examples/upgrade_server.conf.dist
+++ b/examples/upgrade_server.conf.dist
@@ -15,4 +15,6 @@ upgrades:
   # Current arches are 'x64', 'x86'
   # In each folder there should be a npbackup or npbackup.exe binary depending on the platform
   data_root: /path/to/build_dir
+  # We'll store a CSV containing backup clients that upgrade here
+  statistics_file: /path/to/file