diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 21338101f..deebec5f9 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -42,6 +42,10 @@ jobs:
         run: |
           dfx start --background
 
+      - name: setup
+        id: setup
+        run: npm run setup --workspaces --if-present
+
       - run: npm run e2e --workspaces --if-present
         env:
           CI: true
diff --git a/e2e/browser/cypress/e2e/ecdsa.cy.js b/e2e/browser/cypress/e2e/ecdsa.cy.js
index 523a398a7..4fe1fb1e4 100644
--- a/e2e/browser/cypress/e2e/ecdsa.cy.js
+++ b/e2e/browser/cypress/e2e/ecdsa.cy.js
@@ -2,13 +2,18 @@ import { ECDSAKeyIdentity } from '@dfinity/identity';
 import { get, set } from 'idb-keyval';
 import { createActor } from '../utils/actor';
 import ids from '../../.dfx/local/canister_ids.json';
-import fetch from 'isomorphic-fetch';
+import fetchPolyfill from 'isomorphic-fetch';
 const canisterId = ids.whoami.local;
 
 const setup = async () => {
   const identity1 = await ECDSAKeyIdentity.generate();
   const whoami1 = createActor(ids.whoami.local, {
-    agentOptions: { verifyQuerySignatures: false, identity: identity1 },
+    agentOptions: {
+      verifyQuerySignatures: false,
+      identity: identity1,
+      fetch: fetchPolyfill,
+      host: 'http://127.0.0.1:4943/',
+    },
   });
 
   const principal1 = await whoami1.whoami();
@@ -38,7 +43,12 @@ describe('ECDSAKeyIdentity tests with SubtleCrypto', () => {
       const identity2 = await ECDSAKeyIdentity.fromKeyPair(storedKeyPair);
 
       const whoami2 = createActor(canisterId, {
-        agentOptions: { verifyQuerySignatures: false, identity: identity2, fetch },
+        agentOptions: {
+          verifyQuerySignatures: false,
+          identity: identity2,
+          fetchPolyfill,
+          host: 'http://127.0.0.1:4943/',
+        },
       });
 
       const principal2 = await whoami2.whoami();
diff --git a/e2e/browser/package.json b/e2e/browser/package.json
index a37c8342e..4c3368403 100644
--- a/e2e/browser/package.json
+++ b/e2e/browser/package.json
@@ -6,8 +6,8 @@
     "ci": "npm run e2e",
     "setup": "dfx deploy; dfx generate; pm2 --name parcel start npm -- start",
     "cypress": "cypress run",
-    "e2e": "npm run setup; npm run cypress",
-    "poste2e": "pm2 delete 0",
+    "e2e": "npm run cypress",
+    "poste2e": "pm2 kill",
     "eslint:fix": "npm run lint -- --fix",
     "eslint": "eslint --ext '.js,.jsx,.ts,.tsx' cypress *.js",
     "lint": "npm run eslint",
diff --git a/package-lock.json b/package-lock.json
index f9c96e99f..2b4946c8e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -96,6 +96,7 @@
         "concurrently": "^7.3.0",
         "cypress": "^13.2.0",
         "esbuild": "^0.15.16",
+        "isomorphic-fetch": "^3.0.0",
         "parcel": "^2.6.2",
         "pm2": "^5.3.0",
         "size-limit": "^8.1.0"
@@ -11696,8 +11697,9 @@
     },
     "node_modules/isomorphic-fetch": {
       "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/isomorphic-fetch/-/isomorphic-fetch-3.0.0.tgz",
+      "integrity": "sha512-qvUtwJ3j6qwsF3jLxkZ72qCgjMysPzDfeV240JHiGZsANBYd+EEuu35v7dfrJ9Up0Ak07D7GGSkGhCHTqg/5wA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "node-fetch": "^2.6.1",
         "whatwg-fetch": "^3.4.1"