diff --git a/board/guid.c b/board/guid.c
new file mode 100644
index 0000000..e987000
--- /dev/null
+++ b/board/guid.c
@@ -0,0 +1,3 @@
+#include <initguid.h>
+
+#include "board/guid.h"
diff --git a/board/guid.h b/board/guid.h
new file mode 100644
index 0000000..707e85a
--- /dev/null
+++ b/board/guid.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <windows.h>
+
+DEFINE_GUID(
+        hid_guid,
+        0x4D1E55B2L,
+        0xF16F,
+        0x11CF,
+        0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30);
diff --git a/board/meson.build b/board/meson.build
index 79dea26..34c1b25 100644
--- a/board/meson.build
+++ b/board/meson.build
@@ -10,6 +10,8 @@ board_lib = static_library(
         capnhook.get_variable('hook_dep'),
     ],
     sources : [
+        'guid.c',
+        'guid.h',
         'io3.c',
         'io3.h',
         'sg-cmd.c',