diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index d804e4de5d99..e14f8344e590 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1,5 +1,6 @@
 #!/usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0
+# vim: softtabstop=4
 
 use warnings;
 use strict;