diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index a9947080ead3ca7654d4c4f1cf409cf81274c6c6..4dc5c3909d8c421c9b08af9644b384c3d3032baa 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;