diff --git a/config/reader/json/values.go b/config/reader/json/values.go
index eba2a77a..ef46467c 100644
--- a/config/reader/json/values.go
+++ b/config/reader/json/values.go
@@ -21,6 +21,15 @@ type jsonValue struct {
 	*simple.Json
 }
 
+func NewValues(val []byte) (reader.Values, error) {
+	sj := simple.New()
+	data, _ := reader.ReplaceEnvVars(val)
+	if err := sj.UnmarshalJSON(data); err != nil {
+		sj.SetPath(nil, string(data))
+	}
+	return &jsonValues{sj: sj}, nil
+}
+
 func newValues(ch *source.ChangeSet) (reader.Values, error) {
 	sj := simple.New()
 	data, _ := reader.ReplaceEnvVars(ch.Data)