diff --git a/buildscript/modules/mesa3d.cmd b/buildscript/modules/mesa3d.cmd
index 3a70194b..98b09c78 100644
--- a/buildscript/modules/mesa3d.cmd
+++ b/buildscript/modules/mesa3d.cmd
@@ -169,6 +169,9 @@
 @rem Fix vaon12 filename
 @IF %intmesaver% LSS 23200 call "%devroot%\%projectname%\buildscript\modules\applypatch.cmd" vaon12-strip-lib-prefix
 
+@rem Fix vaon12 build regression on 24.3 with MinGW
+@IF %intmesaver% GEQ 24300 call "%devroot%\%projectname%\buildscript\modules\applypatch.cmd" va-include-missing-header
+
 :configmesabuild
 @rem Configure Mesa build.
 @set buildconf=%mesonloc% setup
diff --git a/patches/va-include-missing-header.patch b/patches/va-include-missing-header.patch
new file mode 100644
index 00000000..c1d22fe6
--- /dev/null
+++ b/patches/va-include-missing-header.patch
@@ -0,0 +1,10 @@
+--- a/src/gallium/auxiliary/vl/vl_winsys.h
++++ b/src/gallium/auxiliary/vl/vl_winsys.h
+@@ -46,6 +46,7 @@
+ #endif
+ #include "pipe/p_defines.h"
+ #include "util/format/u_formats.h"
++#include "frontend/sw_winsys.h"
+ 
+ struct pipe_screen;
+ struct pipe_surface;
diff --git a/releasenotes.md b/releasenotes.md
index 0ba44dd3..68420231 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -3,6 +3,8 @@
 - MSYS2: Check OpenCL stack dependencies availability;
 - Workaround [#156](https://github.com/pal1000/mesa-dist-win/issues/156) by disabling LLVM support for GCC static build;
 - clon12: Use secondary branch with [MSVC 17.12 build fix](https://github.com/microsoft/OpenCLOn12/issues/64).
+### Out of tree patching
+- Fix vaon12 build regression on 24.3 with MinGW.
 # 24.3.0
 - Updated Mesa3D to [24.3.0](https://gitlab.freedesktop.org/mesa/mesa/-/blob/24.3/docs/relnotes/24.3.0.rst?ref_type=heads&plain=0).
 ### Sponsorship