--- a/tests/tests.yml	Tue Nov 27 22:43:40 2007 -0500
+++ b/tests/tests.yml	Thu Jan 17 22:36:07 2008 -0500
@@ -424,7 +424,7 @@
 - name: non-archive error
   filenames: /dev/null
   error: true
-  grep: "could not find a way to extract this"
+  grep: "not a known archive type"
 
 - name: no such file error
   filenames: nonexistent-file.tar.gz