--- a/tools/rewriting/ThirdPartyPaths.txt
+++ b/tools/rewriting/ThirdPartyPaths.txt
@@ -63,16 +63,17 @@ netwerk/srtp/src/
 nsprpub/
 other-licenses/
 parser/expat/
 security/nss/
 security/sandbox/chromium/
 testing/gtest/gmock/
 testing/gtest/gtest/
 testing/talos/talos/tests/dromaeo/
+third_party/aom/
 third_party/python/blessings/
 third_party/python/configobj/
 third_party/python/futures/
 third_party/python/jsmin/
 third_party/python/mock-*/
 third_party/python/psutil/
 third_party/python/py/
 third_party/python/pyasn1/