diff --git a/lib/licenses/licenses.nix b/lib/licenses/licenses.nix
index f58e809cd089..673d0dffdd49 100644
--- a/lib/licenses/licenses.nix
+++ b/lib/licenses/licenses.nix
@@ -320,6 +320,11 @@ lib.mapAttrs mkLicense (
       fullName = "Buddy License";
     };
 
+    bugroff = {
+      spdxId = "Bugroff";
+      fullName = "Bugroff License";
+    };
+
     bzip2 = {
       spdxId = "bzip2-1.0.6";
       fullName = "bzip2 and libbzip2 License v1.0.6";
@@ -1039,9 +1044,9 @@ lib.mapAttrs mkLicense (
       fullName = "Licence Libre du Québec – Permissive version 1.1";
     };
 
-    llgpl21 = {
-      fullName = "Lisp LGPL; GNU Lesser General Public License version 2.1 with Franz Inc. preamble for clarification of LGPL terms in context of Lisp";
-      url = "https://opensource.franz.com/preamble.html";
+    llgplPreamble = {
+      spdxId = "LLGPL";
+      fullName = "LLGPL Preamble";
     };
 
     llvm-exception = {
diff --git a/pkgs/by-name/ac/acl2/package.nix b/pkgs/by-name/ac/acl2/package.nix
index f5d78743636e..34daaaf573ed 100644
--- a/pkgs/by-name/ac/acl2/package.nix
+++ b/pkgs/by-name/ac/acl2/package.nix
@@ -192,20 +192,22 @@ stdenv.mkDerivation (finalAttrs: {
     downloadPage = "https://github.com/acl2-devel/acl2-devel/releases";
     license =
       with lib.licenses;
-      [
-        # ACL2 itself is bsd3
-        bsd3
-      ]
-      ++ lib.optionals certifyBooks [
-        # The community books are mostly bsd3 or mit but with a few
-        # other things thrown in.
-        mit
-        gpl2
-        llgpl21
-        cc0
-        publicDomain
-        unfreeRedistributable
-      ];
+      AND (
+        [
+          # ACL2 itself is bsd3
+          bsd3
+        ]
+        ++ lib.optionals certifyBooks [
+          # The community books are mostly bsd3 or mit but with a few
+          # other things thrown in.
+          mit
+          gpl2
+          (WITH lgpl21Only llgplPreamble)
+          cc0
+          publicDomain
+          unfreeRedistributable
+        ]
+      );
     maintainers = with lib.maintainers; [
       kini
       raskin
diff --git a/pkgs/by-name/cl/cl-launch/package.nix b/pkgs/by-name/cl/cl-launch/package.nix
index 5b8e9eabb12f..122cd5fe9479 100644
--- a/pkgs/by-name/cl/cl-launch/package.nix
+++ b/pkgs/by-name/cl/cl-launch/package.nix
@@ -26,7 +26,12 @@ stdenv.mkDerivation (finalAttrs: {
 
   meta = {
     description = "Common Lisp launcher script";
-    license = lib.licenses.llgpl21;
+    license =
+      with lib.licenses;
+      OR [
+        (WITH lgpl21Only llgplPreamble)
+        bugroff
+      ];
     maintainers = with lib.maintainers; [ raskin ];
     platforms = lib.platforms.unix;
   };
diff --git a/pkgs/development/lisp-modules/packages.nix b/pkgs/development/lisp-modules/packages.nix
index 416fb261fd12..137d2ba5aaf1 100644
--- a/pkgs/development/lisp-modules/packages.nix
+++ b/pkgs/development/lisp-modules/packages.nix
@@ -601,7 +601,7 @@ let
         meta = {
           description = "Functional collections library";
           homepage = "https://gitlab.common-lisp.net/fset/fset/-/wikis/home";
-          license = pkgs.lib.licenses.llgpl21;
+          license = with pkgs.lib.licenses; WITH lgpl21Only llgplPreamble;
         };
       });