diff --git a/extensions/git/src/artifactProvider.ts b/extensions/git/src/artifactProvider.ts
index 832b5626ae0..f9e2d99087f 100644
--- a/extensions/git/src/artifactProvider.ts
+++ b/extensions/git/src/artifactProvider.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { LogOutputChannel, SourceControlArtifactProvider, SourceControlArtifactGroup, SourceControlArtifact, Event, EventEmitter, ThemeIcon, l10n, workspace, Uri, Disposable, Command } from 'vscode';
-import { coalesce, dispose, filterEvent, IDisposable, isCopilotWorktree } from './util';
+import { coalesce, dispose, filterEvent, IDisposable, isCopilotWorktreeFolder } from './util';
 import { Repository } from './repository';
 import type { Ref, Worktree } from './api/git';
 import { RefType } from './api/git.constants';
@@ -178,7 +178,7 @@ export class GitArtifactProvider implements SourceControlArtifactProvider, IDisp
 					]).join(' \u2022 '),
 					icon: w.main
 						? new ThemeIcon('repo')
-						: isCopilotWorktree(w.path)
+						: isCopilotWorktreeFolder(w.path)
 							? new ThemeIcon('chat-sparkle')
 							: new ThemeIcon('worktree')
 				}));
diff --git a/extensions/git/src/repository.ts b/extensions/git/src/repository.ts
index b79bb3bc4aa..bd6b6a5c7ff 100644
--- a/extensions/git/src/repository.ts
+++ b/extensions/git/src/repository.ts
@@ -25,7 +25,7 @@ import { IPushErrorHandlerRegistry } from './pushError';
 import { IRemoteSourcePublisherRegistry } from './remotePublisher';
 import { StatusBarCommands } from './statusbar';
 import { toGitUri } from './uri';
-import { anyEvent, combinedDisposable, debounceEvent, dispose, EmptyDisposable, eventToPromise, filterEvent, find, getCommitShortHash, IDisposable, isCopilotWorktree, isDescendant, isLinuxSnap, isRemote, isWindows, Limiter, onceEvent, pathEquals, relativePath } from './util';
+import { anyEvent, combinedDisposable, debounceEvent, dispose, EmptyDisposable, eventToPromise, filterEvent, find, getCommitShortHash, IDisposable, isCopilotWorktreeFolder, isDescendant, isLinuxSnap, isRemote, isWindows, Limiter, onceEvent, pathEquals, relativePath } from './util';
 import { IFileWatcher, watch } from './watch';
 import { ISourceControlHistoryItemDetailsProviderRegistry } from './historyItemDetailsProvider';
 import { GitArtifactProvider } from './artifactProvider';
@@ -954,7 +954,7 @@ export class Repository implements Disposable {
 		const icon = repository.kind === 'submodule'
 			? new ThemeIcon('archive')
 			: repository.kind === 'worktree'
-				? isCopilotWorktree(repository.root)
+				? isCopilotWorktreeFolder(repository.root)
 					? new ThemeIcon('chat-sparkle')
 					: new ThemeIcon('worktree')
 				: new ThemeIcon('repo');
@@ -967,7 +967,7 @@ export class Repository implements Disposable {
 		//   from the Repositories view.
 		this._isHidden = workspace.workspaceFolders === undefined ||
 			(repository.kind === 'worktree' &&
-				isCopilotWorktree(repository.root) && parent !== undefined);
+				isCopilotWorktreeFolder(repository.root) && parent !== undefined);
 
 		const root = Uri.file(repository.root);
 		this._sourceControl = scm.createSourceControl('git', 'Git', root, icon, this._isHidden, parent);
diff --git a/extensions/git/src/util.ts b/extensions/git/src/util.ts
index cbf1b56e34e..58a6d06419a 100644
--- a/extensions/git/src/util.ts
+++ b/extensions/git/src/util.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { Event, Disposable, EventEmitter, SourceControlHistoryItemRef, l10n, workspace, Uri, DiagnosticSeverity, env, SourceControlHistoryItem } from 'vscode';
-import { dirname, normalize, sep, relative } from 'path';
+import { basename, dirname, normalize, sep, relative } from 'path';
 import { Readable } from 'stream';
 import { promises as fs, createReadStream } from 'fs';
 import byline from 'byline';
@@ -867,12 +867,6 @@ export function getStashDescription(stash: Stash): string | undefined {
 	return descriptionSegments.join(' \u2022 ');
 }
 
-export const CopilotWorktreeBranchPrefix = 'copilot-worktree-';
-
-export function isCopilotWorktree(path: string): boolean {
-	const lastSepIndex = path.lastIndexOf(sep);
-
-	return lastSepIndex !== -1
-		? path.substring(lastSepIndex + 1).startsWith(CopilotWorktreeBranchPrefix)
-		: path.startsWith(CopilotWorktreeBranchPrefix);
+export function isCopilotWorktreeFolder(path: string): boolean {
+	return basename(path).startsWith('copilot-');
 }