diff --git a/pkgs/tools/system/setserial/default.nix b/pkgs/tools/system/setserial/default.nix
index 959334f4cc5d..d6e8f4f1bb9f 100644
--- a/pkgs/tools/system/setserial/default.nix
+++ b/pkgs/tools/system/setserial/default.nix
@@ -22,5 +22,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Serial port configuration utility";
     platforms = stdenv.lib.platforms.linux;
+    license = stdenv.lib.licenses.gpl2;
   };
 }