1 files changed, 1 insertions, 1 deletions
diff --git a/ruby.c b/ruby.c
index 7ed0eee9b5..a0a1a97e3f 100644
--- a/ruby.c
+++ b/ruby.c
@@ -719,7 +719,7 @@ proc_options(int argc, char **argv, struct cmdline_options *opt)
 		    enc_name = "UTF-8";
 		    break;
 		  case 'N': case 'n': case 'A': case 'a':
-		    enc_name = "US-ASCII";
+		    enc_name = "ASCII-8BIT";
 		    break;
 		}
 		if (enc_name) {