diff --git a/pkgs/os-specific/linux/915resolution/default.nix b/pkgs/os-specific/linux/915resolution/default.nix
index 9591d4ef4cc..ce21887f19f 100644
--- a/pkgs/os-specific/linux/915resolution/default.nix
+++ b/pkgs/os-specific/linux/915resolution/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   name = "915resolution-0.5.3";
-  
+
   src = fetchurl {
     url = "http://915resolution.mango-lang.org/${name}.tar.gz";
     sha256 = "0hmmy4kkz3x6yigz6hk99416ybznd67dpjaxap50nhay9f1snk5n";
@@ -15,5 +15,6 @@ stdenv.mkDerivation rec {
     homepage = http://915resolution.mango-lang.org/;
     description = "A tool to modify Intel 800/900 video BIOS";
     platforms = [ "i686-linux" "x86_64-linux" ];
+    license = licenses.publicDomain;
   };
 }