diff --git a/reactos/include/psdk/wdbgexts.h b/reactos/include/psdk/wdbgexts.h
index d5393b31f73..e00427f92d9 100644
--- a/reactos/include/psdk/wdbgexts.h
+++ b/reactos/include/psdk/wdbgexts.h
@@ -38,6 +38,7 @@ typedef enum _DBGKD_MAJOR_TYPES
     DBGKD_MAJOR_TNT,
     DBGKD_MAJOR_SINGULARITY,
     DBGKD_MAJOR_HYPERVISOR,
+    DBGKD_MAJOR_MIDORI,
     DBGKD_MAJOR_COUNT
 } DBGKD_MAJOR_TYPES;