diff --git a/pkgs/tools/misc/convmv/default.nix b/pkgs/tools/misc/convmv/default.nix
index 52bcbde1cc1b..56b9d5c849a5 100644
--- a/pkgs/tools/misc/convmv/default.nix
+++ b/pkgs/tools/misc/convmv/default.nix
@@ -26,5 +26,6 @@ stdenv.mkDerivation rec {
     description = "Converts filenames from one encoding to another";
     platforms = platforms.linux ++ platforms.freebsd ++ platforms.cygwin;
     maintainers = [ ];
+    license = licenses.gpl2Plus;
   };
 }