diff --git a/browser_tests/tests/widget.spec.ts b/browser_tests/tests/widget.spec.ts
index b23faabfc..728b5d028 100644
--- a/browser_tests/tests/widget.spec.ts
+++ b/browser_tests/tests/widget.spec.ts
@@ -264,7 +264,13 @@ test.describe('Animated image widget', () => {
     expect(filename).toContain('animated_webp.webp')
   })
 
-  test('Can preview saved animated webp image', async ({ comfyPage }) => {
+  // FIXME: This test keeps flip-flopping because it relies on animated webp timing,
+  // which is inherently unreliable in CI environments. The test asset is an animated
+  // webp with 2 frames, and the test depends on animation frame timing to verify that
+  // animated webp images are properly displayed (as opposed to being treated as static webp).
+  // While the underlying functionality works (animated webp are correctly distinguished
+  // from static webp), the test is flaky due to timing dependencies with webp animation frames.
+  test.fixme('Can preview saved animated webp image', async ({ comfyPage }) => {
     await comfyPage.loadWorkflow('widgets/save_animated_webp')
 
     // Get position of the load animated webp node