diff --git a/lib/request.js b/lib/request.js
index fd4c976..6e82c47 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -504,7 +504,7 @@ module.exports = {
    * @api private
    */
   set accept(obj) {
-    return this._accept = obj;
+    this._accept = obj;
   },
 
   /**