From 9ff03a77167edc775a8f339257554a8fc6b83f27 Mon Sep 17 00:00:00 2001
From: Pascal Wittmann <mail@pascal-wittmann.de>
Date: Sun, 5 Aug 2018 16:29:27 +0200
Subject: [PATCH] disper: add license

see issue #43716
---
 pkgs/tools/misc/disper/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/tools/misc/disper/default.nix b/pkgs/tools/misc/disper/default.nix
index 27bb62c582a5..22951eecf533 100644
--- a/pkgs/tools/misc/disper/default.nix
+++ b/pkgs/tools/misc/disper/default.nix
@@ -23,6 +23,7 @@ stdenv.mkDerivation rec {
     description = "On-the-fly display switch utility";
     homepage = http://willem.engen.nl/projects/disper/;
     platforms = stdenv.lib.platforms.unix;
+    license = stdenv.lib.licenses.gpl3;
   };
 
 }