diff --git a/tools/rewriting/ThirdPartyPaths.txt b/tools/rewriting/ThirdPartyPaths.txt
index 64467199294d..600b78d7ea65 100644
--- a/tools/rewriting/ThirdPartyPaths.txt
+++ b/tools/rewriting/ThirdPartyPaths.txt
@@ -123,6 +123,7 @@ toolkit/components/jsoncpp/
 toolkit/components/protobuf/
 toolkit/components/url-classifier/chromium/
 toolkit/components/url-classifier/protobuf/
+toolkit/components/utils/mozjexl.js
 toolkit/crashreporter/breakpad-client/
 toolkit/crashreporter/google-breakpad/
 toolkit/recordreplay/udis86/