--- a/tests/test-exchange-B6.t	Fri Mar 24 09:42:39 2017 +0100
+++ b/tests/test-exchange-B6.t	Fri Mar 24 09:49:03 2017 +0100
@@ -61,7 +61,7 @@
   f5bc6836db60e308a17ba08bf050154ba9c4fad7 f2e05412d3f1d5bc1ae647cf9efc43e0399c26ca
   962ecf6b1afc94e15c7e48fdfb76ef8abd11372b 974507d1c466d0aa86d288836194339ed3b98736
   f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 04e03a8959d8a39984e6a8f4a16fba975b364747
-  $ hg debugobshashrange --rev 'head()'
+  $ hg debugobshashrange --subranges --rev 'head()'
            rev         node        index         size        depth      obshash
              1 f5bc6836db60            0            2            2 000000000000
              0 a9bdc8b26820            0            1            1 86e41541149f