diff --git a/include/ntapi/nt_debug.h b/include/ntapi/nt_debug.h
index 3e11193..9f90f7e 100644
--- a/include/ntapi/nt_debug.h
+++ b/include/ntapi/nt_debug.h
@@ -225,6 +225,9 @@ typedef enum _nt_dbg_fltr_type {
 #define NT_DBG_FLOW_MASK_DLL_LOAD		(1 << NT_DBG_STATE_DLL_LOAD)
 #define NT_DBG_FLOW_MASK_DLL_UNLOAD		(1 << NT_DBG_STATE_DLL_UNLOAD)
 
+#define NT_DBG_FLOW_MASK_EXECUTION_TREE		(0x10000000)
+#define NT_DBG_FLOW_MASK_DETACH_AND_CLOSE	(0x20000000)
+
 
 /* debug events */
 typedef struct _nt_dbg_km_thread_exit {