From f1000e3be0ce1d221c08cebbe13e184414a092f6 Mon Sep 17 00:00:00 2001
From: Oleg Lobanov <oleg@lobanov.me>
Date: Sat, 25 Apr 2020 11:46:16 +0200
Subject: [PATCH] Fix unmarshalling struct with custom json tag claim

---
 json_token.go      | 1 +
 json_token_test.go | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/json_token.go b/json_token.go
index 93be4d5..b589c09 100644
--- a/json_token.go
+++ b/json_token.go
@@ -110,6 +110,7 @@ func (t *JSONToken) Get(key string, v interface{}) error {
 		decoder, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
 			DecodeHook: decodeHook,
 			Result:     v,
+			TagName:    "json",
 		})
 		if err != nil {
 			return errors.Errorf("failed to create map decoder: %w", err)
diff --git a/json_token_test.go b/json_token_test.go
index 6757a2d..be5f51b 100644
--- a/json_token_test.go
+++ b/json_token_test.go
@@ -41,7 +41,7 @@ func TestJsonToken(t *testing.T) {
 	type CustomStruct struct {
 		Foo    string
 		Bar    int
-		StrInt StrInt
+		StrInt StrInt `json:"custom_field"`
 	}
 
 	var (