diff --git a/reactos/include/psdk/winnt.h b/reactos/include/psdk/winnt.h
index b9201aebfb2..de89e859e64 100644
--- a/reactos/include/psdk/winnt.h
+++ b/reactos/include/psdk/winnt.h
@@ -1714,6 +1714,10 @@ extern "C++" { \
 #define THREAD_BASE_PRIORITY_MAX    2
 #define THREAD_BASE_PRIORITY_MIN    (-2)
 #define THREAD_BASE_PRIORITY_IDLE    (-15)
+
+#define PROCESS_SET_LIMITED_INFORMATION 0x2000
+#define THREAD_RESUME 0x1000
+
 /*
  * To prevent gcc compiler warnings, bracket these defines when initialising
  * a  SID_IDENTIFIER_AUTHORITY, eg.
diff --git a/reactos/include/xdk/winnt_old.h b/reactos/include/xdk/winnt_old.h
index b5da8053295..4488e4a795c 100644
--- a/reactos/include/xdk/winnt_old.h
+++ b/reactos/include/xdk/winnt_old.h
@@ -358,6 +358,10 @@
 #define THREAD_BASE_PRIORITY_MAX    2
 #define THREAD_BASE_PRIORITY_MIN    (-2)
 #define THREAD_BASE_PRIORITY_IDLE    (-15)
+
+#define PROCESS_SET_LIMITED_INFORMATION 0x2000
+#define THREAD_RESUME 0x1000
+
 /*
  * To prevent gcc compiler warnings, bracket these defines when initialising
  * a  SID_IDENTIFIER_AUTHORITY, eg.