diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 0c6cf583f92..e2fb4b9905b 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -9643,7 +9643,7 @@ let self = _self // overrides; _self = with self; {
     };
     meta = {
       description = "Interact with TELNET port or other TCP ports";
-      license = "unknown";
+      license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
   };