diff --git a/packages/functions/package.json b/packages/functions/package.json
index 31d9b9df126..4d7162236d8 100644
--- a/packages/functions/package.json
+++ b/packages/functions/package.json
@@ -38,7 +38,7 @@
     "test:all": "run-p --npm-path npm test:browser test:node",
     "test:browser": "karma start --single-run",
     "test:browser:debug": "karma start --browsers=Chrome --auto-watch",
-    "test:node": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha 'src/{,!(browser)/**/}*.test.ts' --file src/index.node.ts --config ../../config/mocharc.node.js",
+    "test:node": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha 'src/{,!(browser)/**/}*.test.ts' --file src/index.ts --config ../../config/mocharc.node.js",
     "test:emulator": "env FIREBASE_FUNCTIONS_EMULATOR_ORIGIN=http://localhost:5005 run-p --npm-path npm test:node",
     "trusted-type-check": "tsec -p tsconfig.json --noEmit",
     "api-report": "api-extractor run --local --verbose",