diff --git a/test/network.spec.ts b/test/network.spec.ts
index e09633983f619..4e098b196400d 100644
--- a/test/network.spec.ts
+++ b/test/network.spec.ts
@@ -592,7 +592,7 @@ describe('network', function () {
       expect(requests.get('script.js').isNavigationRequest()).toBe(false);
       expect(requests.get('style.css').isNavigationRequest()).toBe(false);
     });
-    it('should work when navigating to image', async () => {
+    itFailsFirefox('should work when navigating to image', async () => {
       const { page, server } = getTestState();
 
       const requests = [];