diff --git a/poky/scripts/oe-build-perf-report b/poky/scripts/oe-build-perf-report
index 21bde7e..e781f4f 100755
--- a/poky/scripts/oe-build-perf-report
+++ b/poky/scripts/oe-build-perf-report
@@ -372,7 +372,7 @@
                                chart_opts=chart_opts))
 
 
-def get_buildstats(repo, notes_ref, revs, outdir=None):
+def get_buildstats(repo, notes_ref, notes_ref2, revs, outdir=None):
     """Get the buildstats from git notes"""
     full_ref = 'refs/notes/' + notes_ref
     if not repo.rev_parse(full_ref):
@@ -391,8 +391,13 @@
         for tag in rev.tags:
             log.debug('    %s', tag)
             try:
-                bs_all = json.loads(repo.run_cmd(['notes', '--ref', notes_ref,
-                                                  'show', tag + '^0']))
+                try:
+                    bs_all = json.loads(repo.run_cmd(['notes', '--ref', notes_ref, 'show', tag + '^0']))
+                except GitError:
+                    if notes_ref2:
+                        bs_all = json.loads(repo.run_cmd(['notes', '--ref', notes_ref2, 'show', tag + '^0']))
+                    else:
+                        raise
             except GitError:
                 log.warning("Buildstats not found for %s", tag)
                 bs_all = {}
@@ -589,9 +594,12 @@
     buildstats = None
     if args.dump_buildstats or args.html:
         outdir = 'oe-build-perf-buildstats' if args.dump_buildstats else None
-        notes_ref = 'buildstats/{}/{}/{}'.format(args.hostname, args.branch,
-                                                 args.machine)
-        buildstats = get_buildstats(repo, notes_ref, [rev_l, rev_r], outdir)
+        notes_ref = 'buildstats/{}/{}/{}'.format(args.hostname, args.branch, args.machine)
+        notes_ref2 = None
+        if args.branch2:
+            notes_ref = 'buildstats/{}/{}/{}'.format(args.hostname, args.branch2, args.machine)
+            notes_ref2 = 'buildstats/{}/{}/{}'.format(args.hostname, args.branch, args.machine)
+        buildstats = get_buildstats(repo, notes_ref, notes_ref2, [rev_l, rev_r], outdir)
 
     # Print report
     if not args.html: