diff --git a/tests/test-treediscovery-legacy.t b/tests/test-treediscovery-legacy.t
--- a/tests/test-treediscovery-legacy.t
+++ b/tests/test-treediscovery-legacy.t
@@ -8,7 +8,7 @@ Tests discovery against servers without 
   > EOF
   $ cp $HGRCPATH $HGRCPATH-withcap
 
-  $ CAP="getbundle known changegroupsubset"
+  $ CAP="getbundle known changegroupsubset bundle2"
   $ . "$TESTDIR/notcapable"
   $ cp $HGRCPATH $HGRCPATH-nocap
   $ cp $HGRCPATH-withcap $HGRCPATH