diff --git a/browser_tests/fixtures/ws.ts b/browser_tests/fixtures/ws.ts
index f1ab1a538..cc1f88ca1 100644
--- a/browser_tests/fixtures/ws.ts
+++ b/browser_tests/fixtures/ws.ts
@@ -29,7 +29,7 @@ export const webSocketFixture = base.extend<{
             function ([data, url]) {
               if (!url) {
                 // If no URL specified, use page URL
-                const u = new URL(window.location.toString())
+                const u = new URL(window.location.toString().split('#')[0])
                 u.protocol = 'ws:'
                 u.pathname = '/'
                 url = u.toString() + 'ws'