diff --git a/package.json b/package.json
index e40acbb2b4..2f3bcb8861 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
     "buildifier": "find . -type f \\( -name BUILD -or -name BUILD.bazel \\) ! -path \"*/node_modules/*\" | xargs $(bazel info bazel-bin)/external/com_github_bazelbuild_buildtools/buildifier/*/buildifier",
     "preinstall": "node tools/yarn/check-yarn.js",
     "postinstall": "yarn update-webdriver && node ./tools/postinstall-patches.js && yarn patch-types",
+    "patch-types": "work-around for issue https://github.com/angular/angular/issues/25051",
     "patch-types": "mkdir -p node_modules/@types/zone.js && cp -f node_modules/zone.js/dist/zone.js.d.ts node_modules/@types/zone.js/index.d.ts",
     "update-webdriver": "webdriver-manager update --gecko false $CHROMEDRIVER_VERSION_ARG",
     "check-env": "gulp check-env",