diff --git a/lodash.js b/lodash.js
index 458c814ce..6a5a81e9c 100644
--- a/lodash.js
+++ b/lodash.js
@@ -9214,7 +9214,7 @@
       if (object == null) {
         return {};
       }
-      var props = arrayMap(baseFlatten(props), String);
+      props = arrayMap(baseFlatten(props), String);
       return basePick(object, baseDifference(keysIn(object), props));
     });