diff --git a/pkgs/by-name/lt/ltrace/package.nix b/pkgs/by-name/lt/ltrace/package.nix
index 573f63608a53..6f560646c8e6 100644
--- a/pkgs/by-name/lt/ltrace/package.nix
+++ b/pkgs/by-name/lt/ltrace/package.nix
@@ -53,6 +53,11 @@ stdenv.mkDerivation {
       url = "https://github.com/gentoo/gentoo/raw/a2eb7e103ec985ff90f59e722e0a8a43373972a2/dev-debug/ltrace/files/ltrace-0.7.3-print-test-pie.patch";
       hash = "sha256-QRsUoN3WLzfiY5GDPwVYXtJPFMJt6rcc6eE96SAtI6Q=";
     })
+    # fix pointer conversion warning with Gcc15
+    (fetchurl {
+      url = "https://gitlab.com/cespedes/ltrace/-/commit/d888b448740abd4d5846535ef1dc5ba1c74a134a.patch";
+      hash = "sha256-9XAeulMUUvLh6Q9ppSL6d5kA2UPPyzCjwibcXH260Bo=";
+    })
   ];
 
   doCheck = true;