diff --git a/.travis.yml b/.travis.yml
index 81f6dc4aba8..8b64d02477b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ matrix:
       script:
          - ./mach build -d --verbose
          - bash etc/ci/lockfile_changed.sh
+         - bash etc/ci/manifest_changed.sh          
       cache:
         directories:
           - .cargo
diff --git a/etc/ci/manifest_changed.sh b/etc/ci/manifest_changed.sh
new file mode 100755
index 00000000000..7ad9efa0821
--- /dev/null
+++ b/etc/ci/manifest_changed.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+./mach test-wpt --manifest-update SKIP_TESTS > /dev/null
+./mach test-css --manifest-update SKIP_TESTS > /dev/null
+diff=$(git diff -- tests/*/MANIFEST.json)
+echo "$diff"
+[[ ! $diff ]]
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 47106525131..32f8cbe9300 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -35511,4 +35511,4 @@
   "rev": "5a754b40cd49c0404863c431b58cc311dc5d167c",
   "url_base": "/",
   "version": 2
-}
\ No newline at end of file
+}
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 57ed404dae2..5dadda08d55 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -9881,7 +9881,7 @@
           "path": "css/viewport_ignore_desktop.html",
           "references": [
             [
-              "/_mozilla/css/viewport_ignore_desktop.html",
+              "/_mozilla/css/viewport_ignore_desktop_ref.html",
               "=="
             ]
           ],