diff --git a/include/winnt.h b/include/winnt.h
index 913c034cb1e..fb760af375c 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -3826,6 +3826,7 @@ typedef enum tagSID_NAME_USE {
 #define PROCESS_SET_QUOTA          0x0100
 #define PROCESS_SET_INFORMATION    0x0200
 #define PROCESS_QUERY_INFORMATION  0x0400
+#define PROCESS_SUSPEND_RESUME     0x0800
 #define PROCESS_ALL_ACCESS         (STANDARD_RIGHTS_REQUIRED|SYNCHRONIZE|0xfff)
 
 #define THREAD_TERMINATE           0x0001