diff --git a/pkgs/games/quakespasm/vulkan.nix b/pkgs/games/quakespasm/vulkan.nix
index 496fb997a28c..1f3f25a9b119 100644
--- a/pkgs/games/quakespasm/vulkan.nix
+++ b/pkgs/games/quakespasm/vulkan.nix
@@ -112,5 +112,6 @@ stdenv.mkDerivation (finalAttrs: {
       ylh
     ];
     mainProgram = "vkquake";
+    license = lib.licenses.gpl2Plus;
   };
 })