diff --git a/package.json b/package.json
index e22e2ed..0c67b63 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
   },
   "scripts": {
     "start": "node scripts/start.js",
-    "build": "GENERATE_SOURCEMAP=false node scripts/build.js",
+    "build": "node scripts/build.js",
     "test": "node scripts/test.js",
     "lint": "eslint --fix ."
   },