diff --git a/package.json b/package.json
index 2f1ac87..ad52da4 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "build": "tsc",
     "lint": "tslint --project ./tsconfig.json -t stylish",
     "start": "ts-node src/index.ts",
-    "daily": "ts-node src/index.ts | tee -a log_`date --iso-8601`.txt",
+    "daily": "ts-node src/index.ts |& tee -a log_`date --iso-8601`.txt",
     "test": "doctest-ts-improved src/ && mocha --require ts-node/register \"./**/*.doctest.ts\" && (find . -type f -name \"*.doctest.ts\" | xargs rm)"
   },
   "dependencies": {