diff --git a/package.json b/package.json
index 2478060a57..3e7ee56346 100644
--- a/package.json
+++ b/package.json
@@ -186,7 +186,8 @@
       "\\$webapp/i18n/languages.json": "<rootDir>/__mocks__/languages.json",
       "decoderWorker\\.min\\.js": "<rootDir>/__mocks__/empty.js",
       "decoderWorker\\.min\\.wasm": "<rootDir>/__mocks__/empty.js",
-      "waveWorker\\.min\\.js": "<rootDir>/__mocks__/empty.js"
+      "waveWorker\\.min\\.js": "<rootDir>/__mocks__/empty.js",
+      "context-filter-polyfill": "<rootDir>/__mocks__/empty.js"
     },
     "transformIgnorePatterns": [
       "/node_modules/(?!matrix-js-sdk).+$"