diff --git a/file.c b/file.c index 98b9d50446..626043816f 100644 --- a/file.c +++ b/file.c @@ -6369,6 +6369,10 @@ is_explicit_relative(const char *path) static VALUE copy_path_class(VALUE path, VALUE orig) { + int encidx = rb_enc_get_index(orig); + if (encidx == ENCINDEX_ASCII || encidx == ENCINDEX_US_ASCII) + encidx = rb_filesystem_encindex(); + rb_enc_associate_index(path, encidx); str_shrink(path); RBASIC_SET_CLASS(path, rb_obj_class(orig)); OBJ_FREEZE(path);