diff --git a/PRESUBMIT.py b/PRESUBMIT.py
new file mode 100644
index 000000000..01ec0eed2
--- /dev/null
+++ b/PRESUBMIT.py
@@ -0,0 +1,11 @@
+# Copyright 2018 The PDFium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+def CheckChangeOnUpload(input_api, output_api):
+  return input_api.canned_checks.CheckChangedLUCIConfigs(input_api, output_api)
+
+
+def CheckChangeOnCommit(input_api, output_api):
+  return input_api.canned_checks.CheckChangedLUCIConfigs(input_api, output_api)
diff --git a/cr-buildbucket.cfg b/cr-buildbucket.cfg
index fc0c16b11..84ea590d0 100644
--- a/cr-buildbucket.cfg
+++ b/cr-buildbucket.cfg
@@ -59,9 +59,9 @@ acl_sets {
   }
 }
 
-bucket {
+buckets {
   name: "luci.libyuv.ci"
-  acl_sets: "ci
+  acl_sets: "ci"
   swarming {
     hostname: "chromium-swarm.appspot.com"
     builder_defaults {
@@ -219,7 +219,7 @@ bucket {
   }
 }
 
-bucket {
+buckets {
   name: "luci.libyuv.try"
   acl_sets: "try"
   swarming {
diff --git a/luci-milo.cfg b/luci-milo.cfg
index 35839f106..445f95d01 100644
--- a/luci-milo.cfg
+++ b/luci-milo.cfg
@@ -179,7 +179,7 @@ consoles {
   repo_url: "https://chromium.googlesource.com/libyuv/libyuv/"
   refs: "refs/heads/master"
   manifest_name: "REVISION"
-  builder_view_only:
+  builder_view_only: true
 
   builders {
     name: "buildbucket/luci.libyuv.ci/android"