diff --git a/src/__tests__/download.test.ts b/src/__tests__/download.test.ts
index a961bd9..3f83acb 100644
--- a/src/__tests__/download.test.ts
+++ b/src/__tests__/download.test.ts
@@ -344,7 +344,7 @@ describe('DownloadService', () => {
       const args = execYtDlpMock.mock.calls[0][0] as string[];
       expect(args).toContain('-f');
       const fIdx = args.indexOf('-f');
-      expect(args[fIdx + 1]).toBe('bestvideo[height<=1080]+bestaudio/best[height<=1080]');
+      expect(args[fIdx + 1]).toBe('bestvideo[height<=1080]+bestaudio/bestvideo[height<=1080]*+bestaudio/best[height<=1080]/bestvideo+bestaudio/best');
       expect(args).toContain('--merge-output-format');
       const moIdx = args.indexOf('--merge-output-format');
       expect(args[moIdx + 1]).toBe('mkv');
@@ -431,7 +431,7 @@ describe('DownloadService', () => {
       const args = execYtDlpMock.mock.calls[0][0] as string[];
       expect(args).toContain('-f');
       const fIdx = args.indexOf('-f');
-      expect(args[fIdx + 1]).toBe('best');
+      expect(args[fIdx + 1]).toBe('bestvideo+bestaudio/best');
     });
 
     it('falls back to -f "bestaudio" for audio when no format profile', async () => {
@@ -652,7 +652,7 @@ describe('DownloadService', () => {
       const args = execYtDlpMock.mock.calls[0][0] as string[];
       const fIdx = args.indexOf('-f');
       expect(fIdx).toBeGreaterThanOrEqual(0);
-      expect(args[fIdx + 1]).toBe('bestvideo+bestaudio/best');
+      expect(args[fIdx + 1]).toBe('bestvideo+bestaudio/bestvideo*+bestaudio/best');
       // Should default to mp4 merge format when containerFormat is null
       expect(args).toContain('--merge-output-format');
       const moIdx = args.indexOf('--merge-output-format');
@@ -695,7 +695,7 @@ describe('DownloadService', () => {
 
       const args = execYtDlpMock.mock.calls[0][0] as string[];
       const fIdx = args.indexOf('-f');
-      expect(args[fIdx + 1]).toBe('bestvideo+bestaudio/best');
+      expect(args[fIdx + 1]).toBe('bestvideo+bestaudio/bestvideo*+bestaudio/best');
       const moIdx = args.indexOf('--merge-output-format');
       expect(args[moIdx + 1]).toBe('mkv');
     });