diff --git a/package.json b/package.json
index e09c800..8dfcfc3 100644
--- a/package.json
+++ b/package.json
@@ -102,6 +102,7 @@
     "concurrency": 8
   },
   "babel": {
+    "sourceMaps": true,
     "presets": [
       [
         "@babel/preset-env",
@@ -180,8 +181,7 @@
           ]
         ]
       }
-    },
-    "sourceMaps": true
+    }
   },
   "xo": {
     "prettier": true,