1 files changed, 1 insertions, 1 deletions
diff --git a/marshal.c b/marshal.c
index 9e2f1c4381..e4b40c0607 100644
--- a/marshal.c
+++ b/marshal.c
@@ -1554,7 +1554,7 @@ r_symreal(struct load_arg *arg, int ivar)
     }
     if (idx > 0) {
         rb_enc_associate_index(s, idx);
-        if (rb_enc_str_coderange(s) == ENC_CODERANGE_BROKEN) {
+        if (is_broken_string(s)) {
             rb_raise(rb_eArgError, "invalid byte sequence in %s: %+"PRIsVALUE,
                      rb_enc_name(rb_enc_from_index(idx)), s);
         }