--- unix-glibc2.lisp.~1.51.~	2009-12-06 09:10:04.000000000 +0100
+++ unix-glibc2.lisp	2009-12-06 09:28:18.000000000 +0100
@@ -1804,6 +1804,7 @@
     (unwind-protect
 	(progn
 	  ;; Blast the stuff into the proper format
+	  (setq program (string-to-octets program))
 	  (multiple-value-setq
 	      (argv argv-bytes)
 	    (string-list-to-c-strvec arg-list))
