diff --git a/index.js b/index.js
index 2283cd8178..22051bf5e9 100644
--- a/index.js
+++ b/index.js
@@ -552,7 +552,7 @@ function reply_to_strings(reply) {
     if (Array.isArray(reply)) {
         for (i = 0; i < reply.length; i++) {
             if (reply[i] !== null && reply[i] !== undefined) {
-                reply[i] =  reply[i].toString();
+                reply[i] = reply[i].toString();
             }
         }
         return reply;