diff --git a/pkgs/development/libraries/serialdv/default.nix b/pkgs/development/libraries/serialdv/default.nix
index 178cee5e69a..d711cd9fc80 100644
--- a/pkgs/development/libraries/serialdv/default.nix
+++ b/pkgs/development/libraries/serialdv/default.nix
@@ -18,6 +18,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/f4exb/serialdv";
     platforms = platforms.linux;
     maintainers = with maintainers; [ alkeryn ];
+    license = licenses.gpl3;
   };
 }