diff --git a/pkgs/by-name/xb/xbase/package.nix b/pkgs/by-name/xb/xbase/package.nix
index 9ef560c9e929..e3f9225af75b 100644
--- a/pkgs/by-name/xb/xbase/package.nix
+++ b/pkgs/by-name/xb/xbase/package.nix
@@ -4,12 +4,12 @@
   fetchurl,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "xbase";
   version = "3.1.2";
 
   src = fetchurl {
-    url = "mirror://sourceforge/xdb/xbase64-${version}.tar.gz";
+    url = "mirror://sourceforge/xdb/xbase64-${finalAttrs.version}.tar.gz";
     sha256 = "17287kz1nmmm64y7zp9nhhl7slzlba09h6cc83w4mvsqwd9w882r";
   };
 
@@ -30,11 +30,14 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  postPatch = ''
+    sed -i '1i#include <cstdarg>' xbase64/xbstring.cpp
+  '';
+
   meta = {
     homepage = "https://sourceforge.net/projects/xdb/";
     description = "C++ class library formerly known as XDB";
     platforms = lib.platforms.linux;
-    broken = true; # Fails to build against gcc-14, no upstream activity.
     license = lib.licenses.lgpl2;
   };
-}
+})