--- a/tests/test-exchange-D4.t	Fri Mar 24 09:42:39 2017 +0100
+++ b/tests/test-exchange-D4.t	Fri Mar 24 09:49:03 2017 +0100
@@ -71,7 +71,7 @@
   6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 0000000000000000000000000000000000000000
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0aacc2f86e8fca29f2d5fd8d0790644620acd58a
   069b05c3876d56f62895e853a501ea58ea85f68d 40b98bc2b5b1152416ea8e9665ae1c6a3ce32ba0
-  $ hg debugobshashrange --rev 'head()'
+  $ hg debugobshashrange --subranges --rev 'head()'
            rev         node        index         size        depth      obshash
              4 069b05c3876d            0            3            3 a2b2331da650
              3 e5ea8f9c7314            0            2            2 0aacc2f86e8f