diff --git a/environs/imagemetadata/simplestreams_test.go b/environs/imagemetadata/simplestreams_test.go
index <HASH>..<HASH> 100644
--- a/environs/imagemetadata/simplestreams_test.go
+++ b/environs/imagemetadata/simplestreams_test.go
@@ -473,7 +473,7 @@ func (s *productSpecSuite) TestIdWithNonDefaultRelease(c *C) {
 	}
 	ids, err := imageConstraint.Ids()
 	if err != nil && err.Error() == `invalid series "lucid"` {
-		c.Errorf(`Unable to lookup series "lucid", you may need to: apt-get install distro-info`)
+		c.Fatalf(`Unable to lookup series "lucid", you may need to: apt-get install distro-info`)
 	}
 	c.Assert(err, IsNil)
 	c.Assert(ids, DeepEquals, []string{"com.ubuntu.cloud.daily:server:10.04:amd64"})
Use Fatalf. It supresses the original error string, but
that error string tended to be mostly noise anyway.