diff --git a/packages/cache/__tests__/tar.test.ts b/packages/cache/__tests__/tar.test.ts
index ecb6799bc5..b891d85b66 100644
--- a/packages/cache/__tests__/tar.test.ts
+++ b/packages/cache/__tests__/tar.test.ts
@@ -135,6 +135,7 @@ test('zstd create tar', async () => {
   expect(execMock).toHaveBeenCalledWith(
     `"${tarPath}"`,
     [
+      '--posix',
       '--use-compress-program',
       'zstd -T0 --long=30',
       '-cf',
@@ -170,6 +171,7 @@ test('gzip create tar', async () => {
   expect(execMock).toHaveBeenCalledWith(
     `"${tarPath}"`,
     [
+      '--posix',
       '-z',
       '-cf',
       IS_WINDOWS ? CacheFilename.Gzip.replace(/\\/g, '/') : CacheFilename.Gzip,
diff --git a/packages/cache/src/internal/tar.ts b/packages/cache/src/internal/tar.ts
index 7f836b83d3..680433e741 100644
--- a/packages/cache/src/internal/tar.ts
+++ b/packages/cache/src/internal/tar.ts
@@ -101,6 +101,7 @@ export async function createTar(
     }
   }
   const args = [
+    '--posix',
     ...getCompressionProgram(),
     '-cf',
     cacheFileName.replace(new RegExp(`\\${path.sep}`, 'g'), '/'),