diff --git a/snippets/deepClone.md b/snippets/deepClone.md
index 0b9e19497..4b6f217d0 100644
--- a/snippets/deepClone.md
+++ b/snippets/deepClone.md
@@ -12,7 +12,7 @@ const deepClone = obj => {
   Object.keys(clone).forEach(
     key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key])
   );
-  return Array.isArray(obj) ? Array.from(clone) : clone;
+  return Array.isArray(obj) ? (clone.length = obj.length) && Array.from(clone) : clone;
 };
 ```