diff --git a/build/commands/lib/syncUtils.js b/build/commands/lib/syncUtils.js
index d804bde7f8d..0451e746cb5 100644
--- a/build/commands/lib/syncUtils.js
+++ b/build/commands/lib/syncUtils.js
@@ -276,6 +276,7 @@ function syncChromium(program) {
 
   util.runGclient(args)
   util.addGitExclusion(config.srcDir, 'brave/')
+  util.addGitExclusion(config.srcDir, 'brave_origin/')
   util.writeJSON(latestSyncInfoFilePath, expectedSyncInfo)
 
   const postSyncChromiumRef = util.getGitReadableLocalRef(config.srcDir)