diff --git a/extensions/git/src/repository.ts b/extensions/git/src/repository.ts
index 7899d1bb8ad..9b3d020915e 100644
--- a/extensions/git/src/repository.ts
+++ b/extensions/git/src/repository.ts
@@ -544,7 +544,9 @@ class DotGitWatcher implements IFileWatcher {
 		const rootWatcher = watch(repository.dotGit);
 		this.disposables.push(rootWatcher);
 
-		const filteredRootWatcher = filterEvent(rootWatcher.event, uri => !/\/\.git(\/index\.lock)?$/.test(uri.path));
+		// Ignore changes to the "index.lock" file, and watchman fsmonitor hook (https://git-scm.com/docs/githooks#_fsmonitor_watchman) cookie files.
+		// Watchman creates a cookie file inside the git directory whenever a query is run (https://facebook.github.io/watchman/docs/cookies.html).
+		const filteredRootWatcher = filterEvent(rootWatcher.event, uri => !/\/\.git(\/index\.lock)?$|\/\.watchman-cookie-/.test(uri.path));
 		this.event = anyEvent(filteredRootWatcher, this.emitter.event);
 
 		repository.onDidRunGitStatus(this.updateTransientWatchers, this, this.disposables);