(let* ((kind (pop-stack))
(code-object (pop-stack))
(len (read-byte-arg))
- (sym (make-string len)))
+ (sym (make-string len :element-type 'base-char)))
(read-n-bytes *fasl-input-stream* sym 0 len)
(sb!vm:fixup-code-object code-object
(read-word-arg)