s/new/old

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/profiling/microbenchmarks/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff.py
index 84712e7e0d..aa4caca43d 100755
--- a/tools/profiling/microbenchmarks/bm_diff.py
+++ b/tools/profiling/microbenchmarks/bm_diff.py
@@ -153,8 +153,8 @@ subprocess.check_call(['git', 'checkout', args.diff_base])
 try:
   build()
   jobset.run(itertools.chain(
-    (collect1(bm, 'opt', 'new') for bm in args.benchmarks),
-    (collect1(bm, 'counters', 'new') for bm in args.benchmarks),
+    (collect1(bm, 'opt', 'old') for bm in args.benchmarks),
+    (collect1(bm, 'counters', 'old') for bm in args.benchmarks),
   ), maxjobs=args.jobs)
 finally:
   subprocess.check_call(['git', 'checkout', where_am_i])