From 7a8a80bdf2f961c218b2719f8f590b892ff54d20 Mon Sep 17 00:00:00 2001
From: fangzhu19880123 <fangzhu19880123@163.com>
Date: Sat, 13 Oct 2018 20:51:57 +0800
Subject: [PATCH] Update output_builder.rb

---
 lib/grape_entity/exposure/nesting_exposure/output_builder.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/grape_entity/exposure/nesting_exposure/output_builder.rb b/lib/grape_entity/exposure/nesting_exposure/output_builder.rb
index 3e1e3a8e..24a6ee13 100644
--- a/lib/grape_entity/exposure/nesting_exposure/output_builder.rb
+++ b/lib/grape_entity/exposure/nesting_exposure/output_builder.rb
@@ -53,7 +53,7 @@ def merge_strategy(for_merge)
             if for_merge.respond_to? :call
               for_merge
             else
-              -> {}
+              ->(k, v1, v2){ v2 }
             end
           end
         end