From 5a7e00c7bebf12348205d3874b81e1f38bb14e5d Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Sun, 17 Apr 2016 13:10:03 +0200
Subject: [PATCH] perl-DateTime-Format-Mail: fix license field

---
 pkgs/top-level/perl-packages.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index b7e2e53824d..d9a88c33868 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -3092,7 +3092,7 @@ let self = _self // overrides; _self = with self; {
     propagatedBuildInputs = [ DateTime ParamsValidate ];
     meta = {
       description = "Convert between DateTime and RFC2822/822 formats";
-      license = "perl";
+      license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
   };