--- a/tests/test-profile.t	Tue Apr 18 11:10:08 2017 -0700
+++ b/tests/test-profile.t	Thu Apr 20 22:45:45 2017 +0900
@@ -90,7 +90,7 @@
 
   $ hg --profile --config profiling.statformat=json sleep 2>../out
   $ cat ../out
-  \[\[\d+.* (re)
+  \[\[-?\d+.* (re)
 
 statprof can be used as a standalone module
branch	stable
changeset 32060	49145a2b2fb0
parent 30845	262c2be8ea5a
child 32376	46ba2cdda476