diff --git a/lib/licenses.nix b/lib/licenses.nix
index 830294378eb3..25a46867b30f 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -922,6 +922,11 @@ lib.mapAttrs mkLicense (
       fullName = "Lucent Public License v1.02";
     };
 
+    lsof = {
+      spdxId = "lsof";
+      fullName = "lsof License"; # also known as Purdue BSD-Style License
+    };
+
     miros = {
       spdxId = "MirOS";
       fullName = "MirOS License";
@@ -1149,11 +1154,6 @@ lib.mapAttrs mkLicense (
       fullName = "Public Domain";
     };
 
-    purdueBsd = {
-      fullName = "Purdue BSD-Style License"; # also known as lsof license
-      url = "https://enterprise.dejacode.com/licenses/public/purdue-bsd";
-    };
-
     prosperity30 = {
       fullName = "Prosperity-3.0.0";
       free = false;
diff --git a/pkgs/by-name/ls/lsof/package.nix b/pkgs/by-name/ls/lsof/package.nix
index 5c8d02f446fe..f438a33b5465 100644
--- a/pkgs/by-name/ls/lsof/package.nix
+++ b/pkgs/by-name/ls/lsof/package.nix
@@ -87,7 +87,7 @@ stdenv.mkDerivation rec {
       socket (IPv6/IPv4/UNIX local), or partition (by opening a file
       from it).
     '';
-    license = lib.licenses.purdueBsd;
+    license = lib.licenses.lsof;
     maintainers = with lib.maintainers; [ dezgeg ];
     platforms = lib.platforms.unix;
   };