diff --git a/src/__tests__/globber.test.ts b/src/__tests__/globber.test.ts
index 8da825a..8366d73 100644
--- a/src/__tests__/globber.test.ts
+++ b/src/__tests__/globber.test.ts
@@ -1,8 +1,8 @@
-import { join } from 'node:path'
+import * as path from 'node:path'
 import { createGlobber } from '../globber'
 
 test('returns the current directory as a match', async () => {
   const result = await createGlobber().glob(process.cwd(), 'package.json')
   expect(result).toHaveLength(1)
-  expect(result[0]).toBe(join(process.cwd(), 'package.json'))
+  expect(result[0]).toBe(path.join(process.cwd(), 'package.json'))
 })
diff --git a/src/type-syncer.ts b/src/type-syncer.ts
index 3689c32..dd11fa1 100644
--- a/src/type-syncer.ts
+++ b/src/type-syncer.ts
@@ -65,7 +65,9 @@ export function createTypeSyncer(
 
     const syncedFiles: Array<ISyncedFile> = await Promise.all([
       syncFile(filePath, file, syncOpts, dryRun),
-      ...subPackages.map((p) => syncFile(p, null, syncOpts, dryRun)),
+      ...subPackages.map((p) =>
+        syncFile(path.join(p, 'package.json'), null, syncOpts, dryRun),
+      ),
     ])
 
     return {
diff --git a/src/workspace-resolver.ts b/src/workspace-resolver.ts
index 1faafc9..9ec2532 100644
--- a/src/workspace-resolver.ts
+++ b/src/workspace-resolver.ts
@@ -1,4 +1,4 @@
-import path from 'node:path'
+import * as path from 'node:path'
 import yaml from 'js-yaml'
 import type * as fsUtils from './fs-utils'
 import { IGlobber } from './globber'
@@ -17,6 +17,7 @@ export interface IWorkspaceResolverService {
    * - `pnpm-workspace.yaml` `packages` field, as an array of globs.
    *
    * Path is relative to the current working directory.
+   * Note that this returns a list of directories, not paths to the manifests themselves.
    */
   getWorkspaces(
     packageJson: IPackageFile,