diff --git a/lib/licenses.nix b/lib/licenses.nix
index 2aa16bc0f305..38fb12d2a887 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -651,6 +651,11 @@ lib.mapAttrs mkLicense (
       url = "https://fedoraproject.org/wiki/Licensing/GPL_Classpath_Exception";
     };
 
+    gpl2UBDLPlus = {
+      fullName = "GNU General Public License v3.0 or later (with UBDL exception)";
+      url = "https://spdx.org/licenses/UBDL-exception.html";
+    };
+
     gpl2Oss = {
       fullName = "GNU General Public License version 2 only (with OSI approved licenses linking exception)";
       url = "https://www.mysql.com/about/legal/licensing/foss-exception";
diff --git a/pkgs/by-name/ip/ipxe/package.nix b/pkgs/by-name/ip/ipxe/package.nix
index fb5b02ef33c1..4bdb023bae93 100644
--- a/pkgs/by-name/ip/ipxe/package.nix
+++ b/pkgs/by-name/ip/ipxe/package.nix
@@ -142,7 +142,15 @@ stdenv.mkDerivation (finalAttrs: {
   meta = {
     description = "Network boot firmware";
     homepage = "https://ipxe.org/";
-    license = lib.licenses.gpl2Only;
+    license = with lib.licenses; [
+      bsd2
+      bsd3
+      gpl2Only
+      gpl2UBDLPlus
+      isc
+      mit
+      mpl11
+    ];
     platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [ sigmasquadron ];
   };