diff --git a/pkgs/applications/audio/string-machine/default.nix b/pkgs/applications/audio/string-machine/default.nix
index 312cf1db5bac..d679202343d5 100644
--- a/pkgs/applications/audio/string-machine/default.nix
+++ b/pkgs/applications/audio/string-machine/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, boost, cairo, libGL, lv2, pkg-config }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, boost, cairo, libGL, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "string-machine";
@@ -12,6 +12,16 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
+  patches = [
+    # gcc-13 compatibility fix:
+    #   https://github.com/jpcima/string-machine/pull/36
+    (fetchpatch {
+      name = "gcc-13.patch";
+      url = "https://github.com/jpcima/string-machine/commit/e1f9c70da46e43beb2654b509bc824be5601a0a5.patch";
+      hash = "sha256-eS28wBuFjbx2tEb9gtVRZXfK0w2o1RCFTouNf8Adq+k=";
+    })
+  ];
+
   postPatch = ''
     patchShebangs ./dpf/utils/generate-ttl.sh
   '';