1 files changed, 1 insertions, 1 deletions
diff --git a/io.c b/io.c
index 944beb7d60..32629165cf 100644
--- a/io.c
+++ b/io.c
@@ -13034,7 +13034,7 @@ Init_IO(void)
     rb_output_fs = Qnil;
     rb_define_hooked_variable("$,", &rb_output_fs, 0, rb_str_setter);
 
-    rb_default_rs = rb_fstring_cstr("\n"); /* avoid modifying RS_default */
+    rb_default_rs = rb_fstring_lit("\n"); /* avoid modifying RS_default */
     rb_gc_register_mark_object(rb_default_rs);
     rb_rs = rb_default_rs;
     rb_output_rs = Qnil;