diff --git a/snippets/deepFreeze.md b/snippets/deepFreeze.md
index 55d655026..cc2e298de 100644
--- a/snippets/deepFreeze.md
+++ b/snippets/deepFreeze.md
@@ -11,13 +11,10 @@ Finally, use `Object.freeze()` to freeze the given object.
 
 ```js
 const deepFreeze = obj => {
-  Object.keys(obj).forEach(
-    prop =>
-      (obj[prop] =
-        typeof obj[prop] === 'object' && !Object.isFrozen(obj[prop])
-          ? deepFreeze(obj[prop])
-          : obj[prop])
-  );
+  Object.keys(obj).forEach(prop => {
+    if (obj[prop] === 'object' && !Object.isFrozen(obj[prop]))
+      deepFreeze(v[prop]);
+  });
   return Object.freeze(obj);
 };
 ```