diff --git a/contrib/pyzfs/libzfs_core/test/__init__.py b/contrib/pyzfs/libzfs_core/test/__init__.py
index e69de29bb2..617cef7aa2 100644
--- a/contrib/pyzfs/libzfs_core/test/__init__.py
+++ b/contrib/pyzfs/libzfs_core/test/__init__.py
@@ -0,0 +1 @@
+# `make distclean` deletes files with size 0. This comment is to avoid that.