diff --git a/pkgs/by-name/li/libexsid/package.nix b/pkgs/by-name/li/libexsid/package.nix
index d4ce696e2858..c9c59508ca0b 100644
--- a/pkgs/by-name/li/libexsid/package.nix
+++ b/pkgs/by-name/li/libexsid/package.nix
@@ -2,6 +2,7 @@
   stdenv,
   lib,
   fetchFromGitHub,
+  fetchpatch,
   autoreconfHook,
   pkg-config,
   docSupport ? true,
@@ -20,6 +21,14 @@ stdenv.mkDerivation rec {
     sha256 = "1qbiri549fma8c72nmj3cpz3sn1vc256kfafnygkmkzg7wdmgi7r";
   };
 
+  patches = [
+    # fix build with GCC 15 by removing unneeded argument
+    (fetchpatch {
+      url = "https://github.com/libsidplayfp/exsid-driver/commit/99bfaf25f73f96d588a38a4309fa5f18c364f4d4.patch";
+      hash = "sha256-wg/oJieejyXiP5Ff9FRfACNELUt5021kXS1/zT7dMgA=";
+    })
+  ];
+
   outputs = [ "out" ] ++ lib.optional docSupport "doc";
 
   nativeBuildInputs = [