diff --git a/index.js b/index.js
index c0b9e45..6b7ef59 100644
--- a/index.js
+++ b/index.js
@@ -192,7 +192,7 @@ class CsvParser extends Transform {
         o[`_${index}`] = cell
       }
       return o
-    }, {})
+    }, Object.create(null))
 
     if (this.options.outputByteOffset) {
       this.push({ row, byteOffset })