diff --git a/code/filesys.lisp b/code/filesys.lisp
index af11ccaf69641655b7fcc033aaeda2702ca77825..a5b7ea0b9101ed4b19f5d4ff4c9570b8060ebc3f 100644
--- a/code/filesys.lisp
+++ b/code/filesys.lisp
@@ -6,7 +6,7 @@
 ;;; Scott Fahlman or slisp-group@cs.cmu.edu.
 ;;;
 (ext:file-comment
-  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/filesys.lisp,v 1.17 1991/12/16 12:50:25 wlott Exp $")
+  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/filesys.lisp,v 1.18 1991/12/16 13:04:40 wlott Exp $")
 ;;;
 ;;; **********************************************************************
 ;;;
@@ -576,9 +576,10 @@
 	   (let ((file (concatenate 'string directory name)))
 	     (unless (eq type :unspecific)
 	       (setf file (concatenate 'string file "." type)))
-	     (unless (eq version :newest)
-	       (setf file (concatenate 'string file "."
-				       (quick-integer-to-string version))))
+	     (when version
+	       (unless (eq version :newest)
+		 (setf file (concatenate 'string file "."
+					 (quick-integer-to-string version)))))
 	     (when (or (not verify-existance)
 		       (mach:unix-file-kind file))
 	       (funcall function file)))))))