diff --git a/gnu/local.mk b/gnu/local.mk
index be82cf42195..a111f028050 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -2059,6 +2059,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/qtlocation-5.15.8-mapboxgl-gcc13.patch	\
   %D%/packages/patches/quodlibet-disable-bundled-packages.patch	\
   %D%/packages/patches/qxlsx-fix-include-directory.patch	\
+  %D%/packages/patches/schiffbruch-fix-build-for-gcc-13.patch	\
   %D%/packages/patches/scn-fast-float-compat.patch		\
   %D%/packages/patches/sdcc-disable-non-free-code.patch		\
   %D%/packages/patches/sdl-pango-api_additions.patch		\
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index feba1a230cb..738f274324f 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -12795,7 +12795,8 @@ to start over several times to find the most satisfactory ending.")
                (commit commit)))
          (file-name (git-file-name name version))
          (sha256
-          (base32 "0lg3rqacrapf6c4sxi12cm9bmg43mlbclway1zxcm848pi1xkzwv"))))
+          (base32 "0lg3rqacrapf6c4sxi12cm9bmg43mlbclway1zxcm848pi1xkzwv"))
+         (patches (search-patches "schiffbruch-fix-build-for-gcc-13.patch"))))
       (build-system cmake-build-system)
       (arguments
        `(#:tests? #f                              ; no tests
diff --git a/gnu/packages/patches/schiffbruch-fix-build-for-gcc-13.patch b/gnu/packages/patches/schiffbruch-fix-build-for-gcc-13.patch
new file mode 100644
index 00000000000..0cc87b2a907
--- /dev/null
+++ b/gnu/packages/patches/schiffbruch-fix-build-for-gcc-13.patch
@@ -0,0 +1,39 @@
+Submitted as pull request <https://github.com/sandsmark/Schiffbruch/pull/1>.
+
+From: Florian Pelz <pelzflorian@pelzflorian.de>
+Date: Wed, 24 Sep 2025 10:24:24 +0200
+Subject: [PATCH] fix build for gcc 13
+
+---
+ src/Renderer.cpp | 3 ++-
+ src/types.hpp    | 1 +
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/Renderer.cpp b/src/Renderer.cpp
+index d3339e2..93d472c 100644
+--- a/src/Renderer.cpp
++++ b/src/Renderer.cpp
+@@ -202,6 +202,8 @@ RGBSTRUCT GetPixel(short x, short y, sf::Image *img)
+ //    DWORD pitch = ddsd->lPitch >> 1;
+ //    DWORD color = pixels[y * pitch + x * 2];
+ 
++    RGBSTRUCT rgbStruct;
++
+     // TODO: more efficient
+     if (x < 0 || y < 0 || x >= int(img->getSize().x) || y >= int(img->getSize().y)) {
+         rgbStruct.r = 0;
+diff --git a/src/types.hpp b/src/types.hpp
+index 2034966..fd1882d 100644
+--- a/src/types.hpp
++++ b/src/types.hpp
+@@ -3,6 +3,7 @@
+ #include "headers.hpp"
+ //#include "miniwin.h"
+ 
++#include <cstdint>
+ #include <SFML/Graphics/Texture.hpp>
+ 
+ namespace Action {
+-- 
+2.51.0
+