diff --git a/pkgs/applications/audio/sfizz/default.nix b/pkgs/applications/audio/sfizz/default.nix
index 4f203a77dc86a6c..c6a0ac824566f2b 100644
--- a/pkgs/applications/audio/sfizz/default.nix
+++ b/pkgs/applications/audio/sfizz/default.nix
@@ -40,6 +40,9 @@ stdenv.mkDerivation rec {
   ];
   nativeBuildInputs = [ cmake pkg-config ];
 
+  # Fix missing include
+  patches = [./gcc13.patch];
+
   postPatch = ''
     cp ${catch2}/include/catch2/catch.hpp tests/catch2/catch.hpp
 
diff --git a/pkgs/applications/audio/sfizz/gcc13.patch b/pkgs/applications/audio/sfizz/gcc13.patch
new file mode 100644
index 000000000000000..9db969d25f3a45d
--- /dev/null
+++ b/pkgs/applications/audio/sfizz/gcc13.patch
@@ -0,0 +1,13 @@
+Submodule plugins/vst/external/VST_SDK/VST3_SDK/public.sdk contains modified content
+diff --git a/plugins/vst/external/VST_SDK/VST3_SDK/public.sdk/source/vst/utility/stringconvert.h b/plugins/vst/external/VST_SDK/VST3_SDK/public.sdk/source/vst/utility/stringconvert.h
+index ff910aa..f15ae78 100644
+--- a/plugins/vst/external/VST_SDK/VST3_SDK/public.sdk/source/vst/utility/stringconvert.h
++++ b/plugins/vst/external/VST_SDK/VST3_SDK/public.sdk/source/vst/utility/stringconvert.h
+@@ -37,6 +37,7 @@
+ #pragma once
+ 
+ #include "pluginterfaces/vst/vsttypes.h"
++#include <cstdint>
+ #include <string>
+ 
+ //------------------------------------------------------------------------