diff --git a/reactos/include/ddk/ndisguid.h b/reactos/include/ddk/ndisguid.h
index 6f3be6a7df2..aa0771d6e45 100644
--- a/reactos/include/ddk/ndisguid.h
+++ b/reactos/include/ddk/ndisguid.h
@@ -23,6 +23,8 @@
 #ifndef __NDISGUID_H
 #define __NDISGUID_H
 
+#include <initguid.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif