diff --git a/package.json b/package.json
index 29f77594d6..e71150699c 100644
--- a/package.json
+++ b/package.json
@@ -168,7 +168,8 @@
       "^matrix-react-sdk$": "<rootDir>/node_modules/matrix-react-sdk/src",
       "decoderWorker\\.min\\.js": "<rootDir>/node_modules/matrix-react-sdk/__mocks__/empty.js",
       "decoderWorker\\.min\\.wasm": "<rootDir>/node_modules/matrix-react-sdk/__mocks__/empty.js",
-      "waveWorker\\.min\\.js": "<rootDir>/node_modules/matrix-react-sdk/__mocks__/empty.js"
+      "waveWorker\\.min\\.js": "<rootDir>/node_modules/matrix-react-sdk/__mocks__/empty.js",
+      "context-filter-polyfill": "<rootDir>/__mocks__/empty.js"
     },
     "transformIgnorePatterns": [
       "/node_modules/(?!matrix-js-sdk).+$",