diff --git a/pkgs/by-name/sr/srm-cuarzo/package.nix b/pkgs/by-name/sr/srm-cuarzo/package.nix
index b0371a884da9..b4bd5199aff5 100644
--- a/pkgs/by-name/sr/srm-cuarzo/package.nix
+++ b/pkgs/by-name/sr/srm-cuarzo/package.nix
@@ -56,5 +56,6 @@ stdenv.mkDerivation (finalAttrs: {
     homepage = "https://github.com/CuarzoSoftware/SRM";
     maintainers = [ ];
     platforms = lib.platforms.linux;
+    license = lib.licenses.lgpl21Only;
   };
 })