diff --git a/package.json b/package.json
index 76f4c49ac17354a66b0d4b0cebe24f0ecfb47e4f..031a7e04d723e7893aa66395f83112fbb8be4539 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,8 @@
     "test": "jest --testPathIgnorePatterns src/liowebrtc src/rtcpeerconnection src/signalbuddy",
     "test-changed": "jest --only-changed --testPathIgnorePatterns src/liowebrtc src/rtcpeerconnection src/signalbuddy",
     "test-coverage": "jest --coverage --testPathIgnorePatterns src/liowebrtc src/rtcpeerconnection src/signalbuddy",
-    "test-e2e:peer1": "testcafe chromium:headless __e2e_tests__/peer1.e2e.js",
-    "test-e2e:peer2": "testcafe chromium:headless __e2e_tests__/peer2.e2e.js",
+    "test-e2e:peer1": "testcafe firefox:headless __e2e_tests__/peer1.e2e.js",
+    "test-e2e:peer2": "testcafe firefox:headless __e2e_tests__/peer2.e2e.js",
     "test-e2e": "run-p test-e2e:*",
     "lint": "jshint .",
     "validate": "npm ls"