diff --git a/tests/integration/scenarios/initial_playback.test.js b/tests/integration/scenarios/initial_playback.test.js
index df14d247d7..4df7f718d7 100644
--- a/tests/integration/scenarios/initial_playback.test.js
+++ b/tests/integration/scenarios/initial_playback.test.js
@@ -280,7 +280,7 @@ function runInitialPlaybackTests({ multithread } = {}) {
       });
 
       expect(manifestLoaderCalledTimes).to.equal(1);
-      await sleep(100);
+      await sleep(500);
       expect(manifestLoaderCalledTimes).to.equal(1);
 
       expect(segmentLoaderLoaderCalledTimes).to.equal(4);
diff --git a/tests/integration/scenarios/manifest_error.test.js b/tests/integration/scenarios/manifest_error.test.js
index d023795a00..3f670c8e47 100644
--- a/tests/integration/scenarios/manifest_error.test.js
+++ b/tests/integration/scenarios/manifest_error.test.js
@@ -356,7 +356,7 @@ describe("manifest error management", function () {
 
     expect(player.getError()).to.equal(null);
 
-    vi.advanceTimersByTime(100000);
+    vi.advanceTimersByTime(10000);
     vi.useRealTimers();
 
     await sleepWithoutFakeTimer(0);