diff --git a/support/cull_options b/support/cull_options
index 914177e6..ab16238c 100755
--- a/support/cull_options
+++ b/support/cull_options
@@ -44,7 +44,7 @@ print <<EOT;
 # and only in the option format that the stock rsync produces.
 
 # To disable a short-named option, add its letter to this string:
-our \$short_disabled = '';
+our \$short_disabled = 's';
 
 our \$short_no_arg = '$short_no_arg'; # DO NOT REMOVE ANY
 our \$short_with_num = '$short_with_num'; # DO NOT REMOVE ANY
diff --git a/support/rrsync b/support/rrsync
index da6e5536..6a2e5b0b 100644
--- a/support/rrsync
+++ b/support/rrsync
@@ -48,7 +48,7 @@ die "$0 -ro: sending to read-only server not allowed\n" if $ro && !$am_sender;
 # and only in the option format that the stock rsync produces.
 
 # To disable a short-named option, add its letter to this string:
-our $short_disabled = '';
+our $short_disabled = 's';
 
 our $short_no_arg = 'ACDEHIKLORSWXbcdgklmnoprtuvxz'; # DO NOT REMOVE ANY
 our $short_with_num = 'B'; # DO NOT REMOVE ANY