1 files changed, 2 insertions, 1 deletions
diff --git a/ruby.c b/ruby.c
index 701e3e5196..2e44c47fbd 100644
--- a/ruby.c
+++ b/ruby.c
@@ -712,7 +712,8 @@ proc_options(int argc, char **argv, struct cmdline_options *opt)
 		    enc = ONIG_ENCODING_EUC_JP;
 		    break;
 		  case 'S': case 's':
-		    enc = ONIG_ENCODING_SJIS;
+		    enc = rb_enc_find("Windows-31J");
+		    if (!enc) enc = ONIG_ENCODING_SJIS;
 		    break;
 		  case 'U': case 'u':
 		    enc = ONIG_ENCODING_UTF8;