=== modified file 'lisp/replace.el'
--- lisp/replace.el	2013-06-13 22:08:45 +0000
+++ lisp/replace.el	2013-07-26 15:45:21 +0000
@@ -1538,7 +1538,7 @@ See also `multi-occur'."
 				   (if (> (length buffers) 1)
 				       "" (format " for \"%s\""
 						  (query-replace-descr regexp)))
-				   (buffer-name buf))
+				   (buffer-file-name buf))
 			   'read-only t))
 		  (setq end (point))
 		  (add-text-properties beg end