diff --git a/lodash.src.js b/lodash.src.js
index db7a787b4..ec2ea55e6 100644
--- a/lodash.src.js
+++ b/lodash.src.js
@@ -4570,7 +4570,7 @@
         return value;
       }
       var result = [];
-      (value + '').replace(rePropName, function(match, number, quote, string) {
+      baseToString(value).replace(rePropName, function(match, number, quote, string) {
         result.push(typeof string == 'string' ? string : (number || match));
       });
       return result;