godotenv inconsistency

first.env

PRIORITY=first.env

last.env

PRIORITY=last.env

main.go

package main

import (
  "fmt"
  "os"
  "github.com/joho/godotenv"
)


func main() {
  envFiles := []string{"first.env", "last.env"}

  // Read variables to environment
  godotenv.Load(envFiles...)
  fmt.Println(os.Getenv("PRIORITY")) // prints 'first.env', consistent with ruby dotenv

  // Read variables to map
  vars, _ := godotenv.Read(envFiles...)
  fmt.Println(vars["PRIORITY"]) // prints 'last.env'
}