diff --git a/test/backend/unit/model/threading/DiskMangerWorker.spec.ts b/test/backend/unit/model/threading/DiskMangerWorker.spec.ts
index fa060a7c..a6b66e65 100644
--- a/test/backend/unit/model/threading/DiskMangerWorker.spec.ts
+++ b/test/backend/unit/model/threading/DiskMangerWorker.spec.ts
@@ -11,7 +11,8 @@ describe('DiskMangerWorker', () => {
     Config.Server.Media.folder = path.join(__dirname, '/../../../assets');
     ProjectPath.ImageFolder = path.join(__dirname, '/../../../assets');
     const dir = await DiskMangerWorker.scanDirectory('/');
-    expect(dir.media.length).to.be.equals(6);
+    // should match the number of media (photo/video) files in the assets folder
+    expect(dir.media.length).to.be.equals(7);
     const expected = require(path.join(__dirname, '/../../../assets/test image öüóőúéáű-.,.json'));
     expect(Utils.clone(dir.media[2].name)).to.be.deep.equal('test image öüóőúéáű-.,.jpg');
     expect(Utils.clone(dir.media[2].metadata)).to.be.deep.equal(expected);