1 files changed, 3 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index 7fca2969b8..90dbfe2e3f 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1155,6 +1155,9 @@ load_file(VALUE parser, const char *fname, int script, struct cmdline_options *o
 	int no_src_enc = !opt->src.enc.name;
 	int no_ext_enc = !opt->ext.enc.name;
 
+	enc = rb_usascii_encoding();
+	rb_funcall(f, rb_intern("set_encoding"), 1, rb_enc_from_encoding(enc));
+
 	if (opt->xflag) {
 	    forbid_setid("-x");
 	    opt->xflag = Qfalse;