diff --git a/buildbot/master/master.cfg b/buildbot/master/master.cfg
index b48ab888e..1350b8180 100644
--- a/buildbot/master/master.cfg
+++ b/buildbot/master/master.cfg
@@ -138,8 +138,7 @@ linux3_factory.addStep(Git(repourl=SERVO_REPO, mode="full", method="clobber"))
 linux3_factory.addStep(Compile(command=["./mach", "build", "--release"], env=linux_headless_env))
 linux3_factory.addStep(ShellCommand(command=["./mach", "test-css", "--release", "--processes", "4",
                                              "--log-raw", "wpt_raw.log"],
-                                    env=linux_headless_env, decodeRC={0:SUCCESS,
-                                                                      1:SUCCESS},
+                                    env=linux_headless_env,
                                     logfiles={"wpt_raw.log": "wpt_raw.log"}))
 
 
@@ -169,8 +168,8 @@ mac3_factory.addStep(Git(repourl=SERVO_REPO, mode="full", method="clobber"))
 mac3_factory.addStep(Compile(command=["./mach", "build", "--dev"], env=mac_test_env))
 mac3_factory.addStep(ShellCommand(command=["./mach", "test-css", "--processes", "4",
                                            "--log-raw", "wpt_raw.log"],
-                                  env=mac_test_env, decodeRC={0:SUCCESS,
-                                                              1:SUCCESS},
+                                  env=mac_test_env,
+                                  haltOnFailure=False, flunkOnFailure=False,
                                   logfiles={"wpt_raw.log": "wpt_raw.log"}))
 
 android_compile_env = dict({'ANDROID_SDK': '/home/servo/android-sdk-linux/',
diff --git a/homu/cfg.toml b/homu/cfg.toml
index 2d3dd44fa..91235441b 100644
--- a/homu/cfg.toml
+++ b/homu/cfg.toml
@@ -45,8 +45,8 @@ secret = "{{ pillar["homu"]["gh-webhook-secret"] }}"
 url = "http://build.servo.org"
 secret = "{{ pillar["homu"]["buildbot-secret"] }}"
 
-builders = ["linux1", "linux2", "android", "mac1", "mac2", "gonk"]
-try_builders = ["linux1", "linux2", "android", "mac1", "mac2", "gonk"]
+builders = ["linux1", "linux2", "linux3", "android", "mac1", "mac2", "gonk"]
+try_builders = ["linux1", "linux2", "linux3", "android", "mac1", "mac2", "gonk"]
 
 #
 username = "{{ pillar["homu"]["buildbot-http-user"] }}"